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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.57 by pcg, Sun Mar 14 17:33:08 2004 UTC vs.
Revision 1.465 by root, Thu Aug 4 18:28:44 2022 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
23/* 24/*
24 * This file handles _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
25 */ 26 */
26 27
27#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
28#define INTERN_SCREEN
29#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
30#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
31 31
32#include <X11/Xmd.h> /* get the typedef for CARD32 */
33
34#include <stdint.h> 32#include <inttypes.h>
35#include <wchar.h>
36 33
37#include "salloc.C" // HACK, should be a seperate compile! 34static inline void
38
39inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
40{ 36{
41 while (len--) 37 while (len--)
42 *start++ = value; 38 *start++ = value;
43} 39}
44 40
45/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
46#define PROP_SIZE 16384
47#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
48 43
49/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
50 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
51 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
52#define ZERO_SCROLLBACK() \ 47#define ZERO_SCROLLBACK() \
53 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
54 TermWin.view_start = 0 49 view_start = 0
55#define CLEAR_SELECTION() \ 50#define CLEAR_SELECTION() \
56 selection.beg.row = selection.beg.col \ 51 selection.beg.row = selection.beg.col \
57 = selection.end.row = selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
58#define CLEAR_ALL_SELECTION() \ 53#define CLEAR_ALL_SELECTION() \
59 selection.beg.row = selection.beg.col \ 54 selection.beg.row = selection.beg.col \
60 = selection.mark.row = selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
61 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
62 57
63#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
64 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
65#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
66 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
67#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
69#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 64#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
70 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
71#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
73#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 68#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
74 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
75 70
76/* these must be row_col_t */ 71/* these must be row_col_t */
77#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
78 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col) 73 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
80 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 75 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
82 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col) 77 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
84 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 79 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 81 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
87#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
88 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
89 84
90/* 85/*
91 * CLEAR_ROWS : clear <num> rows starting from row <row>
92 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
93 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
94 */ 87 */
95#define drawBuffer TermWin.vt
96
97#define CLEAR_ROWS(row, num) \
98 if (TermWin.mapped) \
99 XClearArea (display->display, drawBuffer, TermWin.int_bwidth, \
100 Row2Pixel (row), (unsigned int)TermWin.width, \
101 (unsigned int)Height2Pixel (num), False)
102
103#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
104 if (TermWin.mapped) \ 89 if (mapped) \
105 XClearArea (display->display, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
106 (unsigned int)Width2Pixel (num), \ 91 (unsigned int)Width2Pixel (num), \
107 (unsigned int)Height2Pixel (1), False) 92 (unsigned int)Height2Pixel (1), False)
108
109#define ERASE_ROWS(row, num) \
110 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
111 TermWin.int_bwidth, Row2Pixel (row), \
112 (unsigned int)TermWin.width, \
113 (unsigned int)Height2Pixel (num))
114 93
115/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
116 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
117 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
118/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
119void 99void
120rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
121{ 101{
122 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
123 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
124 116
125 while (width--) 117 while (width--)
126 { 118 {
127 *et++ = ' '; 119 *et++ = ' ';
128 *er++ = efs; 120 *er++ = efs;
… …
130} 122}
131 123
132/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
133/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
134void 126void
135rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
136{ 128{
137#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
138 assert ((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
139#endif
140 if (tp[row] == NULL)
141 {
142 tp[row] = (text_t *)talloc->alloc ();
143 rp[row] = (rend_t *)ralloc->alloc ();
144 }
145 130
146 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 131 l.l = 0;
132 l.f = 0;
133}
134
135// nuke a single wide character at the given column
136void
137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
154}
155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
147} 164}
148 165
149/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
152void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
153rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
154{ 216{
155 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
156 unsigned int p, q; 218 scr_overlay_off ();
157 int k; 219#endif
158 rend_t setrstyle;
159 220
160 D_SCREEN ((stderr, "rxvt_scr_reset ()"));
161
162 TermWin.view_start = 0; 221 view_start = 0;
163 num_scr = 0; 222 num_scr = 0;
164 223
165 if (TermWin.ncol == 0) 224 if (ncol == 0)
166 TermWin.ncol = 80; 225 ncol = 80;
167 226
168 if (TermWin.nrow == 0) 227 if (nrow == 0)
169 TermWin.nrow = 24; 228 nrow = 24;
170
171 ncol = TermWin.ncol;
172 nrow = TermWin.nrow;
173 229
174 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
175 return; 231 return;
176 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
177 want_refresh = 1; 242 want_refresh = 1;
178 243
244 int prev_total_rows = prev_nrow + saveLines;
179 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
180 prev_total_rows = prev_nrow + TermWin.saveLines;
181 246
182 screen.tscroll = 0; 247 screen.tscroll = 0;
183 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
184 249
185 if (!talloc) 250 void *prev_chunk = chunk;
186 { 251 size_t prev_chunk_size = chunk_size;
187 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
188 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
258 if (!prev_row_buf)
189 } 259 {
260 top_row = 0;
261 term_start = 0;
190 262
191 if (prev_nrow == 0)
192 {
193 /*
194 * first time called so just malloc everything : don't rely on realloc
195 * Note: this is still needed so that all the scrollback lines are NULL
196 */
197 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
198 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
199 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
200 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
201
202 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
203 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
204
205 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
206 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
207 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
208 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
209
210 for (p = 0; p < nrow; p++)
211 {
212 q = p + TermWin.saveLines;
213 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
214 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
215 screen.tlen[q] = swap.tlen[p] = 0;
216 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
217 }
218
219 MEMSET (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
220 TermWin.nscrolled = 0; /* no saved lines */
221 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
222 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
223 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
224 screen.charset = 0; 267 screen.charset = 0;
225 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
237 selection.text = NULL; 280 selection.text = NULL;
238 selection.len = 0; 281 selection.len = 0;
239 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
240 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
241 selection.clicks = 0; 284 selection.clicks = 0;
242 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
243 rvideo = 0; 286 selection.clip_len = 0;
244 } 287 }
245 else 288 else
246 { 289 {
247 /* 290 /*
248 * add or delete rows as appropriate 291 * add or delete rows as appropriate
249 */ 292 */
250 setrstyle = DEFAULT_RSTYLE;
251 293
252 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // resize swap_buf, blank drawn_buf
297 for (int row = min (nrow, prev_nrow); row--; )
298 {
299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
302
303 copy_line (swap_buf [row], prev_swap_buf [row]);
253 { 304 }
254 /* delete rows */
255 k = min (TermWin.nscrolled, prev_nrow - nrow);
256 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
257 305
258 for (p = nrow; p < prev_nrow; p++) 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
259 { 321 {
260 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
261 if (screen.text[q]) 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
262 { 328 {
263#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
264 assert (screen.rend[q]); 330
265#endif 331 plines++;
266 talloc->free (screen.text[q]); 332 llen += prev_ncol;
267 ralloc->free (screen.rend[q]);
268 } 333 }
269 if (swap.text[p]) 334
335 int qlines = max (0, (llen - 1) / ncol) + 1;
336
337 q -= qlines;
338
339 // drop partial lines completely
340 if (q < 0)
341 break;
342
343 int lofs = 0;
344 line_t *qline;
345
346 // re-assemble the full line by destination lines
347 for (int qrow = q; qlines--; qrow++)
270 { 348 {
271#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
272 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
273#endif 351 qline->l = ncol;
274 talloc->free (swap.text[p]); 352 qline->is_longer (1);
275 ralloc->free (swap.rend[p]); 353
354 int qcol = 0;
355
356 // see below for cursor adjustment rationale
357 if (p == ocur.row)
358 screen.cur.row = q - (total_rows - nrow);
359
360 // fill a single destination line
361 while (lofs < llen && qcol < ncol)
362 {
363 int prow = lofs / prev_ncol;
364 int pcol = lofs % prev_ncol;
365
366 prow = MOD (p + prow, prev_total_rows);
367
368 // we only adjust the cursor _row_ and put it into
369 // the topmost line of "long line" it was in, as
370 // this seems to upset applications/shells/readline
371 // least.
372 if (prow == ocur.row)
373 screen.cur.row = q - (total_rows - nrow);
374
375 line_t &pline = prev_row_buf [prow];
376
377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
378
379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
381
382 lofs += len;
383 qcol += len;
384 }
276 } 385 }
277#ifdef DEBUG_STRICT 386
278 assert (drawn_text[p] && drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
279#endif 388 qline->is_longer (0);
280 talloc->free (drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
281 ralloc->free (drawn_rend[p]);
282 } 390 }
391 while (p != pend && q > 0);
283 392
284 /* we have fewer rows so fix up cursor position */ 393 // make sure all terminal lines exist
285 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 394 while (top_row > 0)
286 MIN_IT (swap.cur.row, (int32_t)nrow - 1); 395 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
287
288 scr_reset_realloc (); /* realloc _last_ */
289 }
290 else if (nrow > prev_nrow)
291 { 396 }
292 /* add rows */ 397 else
293 scr_reset_realloc (); /* realloc _first_ */ 398#endif
294 399 {
295 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 400 // wing, instead of wrap
296 401 do
297 k = min (TermWin.nscrolled, nrow - prev_nrow);
298
299 for (p = prev_total_rows; p < total_rows; p++)
300 { 402 {
301 screen.tlen[p] = 0; 403 p = MOD (p - 1, prev_total_rows);
302 screen.text[p] = NULL; 404 q--;
303 screen.rend[p] = NULL; 405
406 copy_line (row_buf [q], prev_row_buf [p]);
304 } 407 }
408 while (p != pend);
305 409
306 for (p = prev_total_rows; p < total_rows - k; p++) 410 screen.cur.row += nrow - prev_nrow;
307 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
308
309 for (p = prev_nrow; p < nrow; p++)
310 {
311 swap.tlen[p] = 0;
312 swap.text[p] = NULL;
313 swap.rend[p] = NULL;
314 drawn_text[p] = NULL;
315 drawn_rend[p] = NULL;
316 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
317 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
318 }
319
320 if (k > 0)
321 {
322 scr_scroll_text (0, (int)nrow - 1, -k, 1);
323 screen.cur.row += k;
324 screen.s_cur.row += k;
325 TermWin.nscrolled -= k;
326 }
327#ifdef DEBUG_STRICT
328 assert (screen.cur.row < TermWin.nrow);
329 assert (swap.cur.row < TermWin.nrow);
330#else /* drive with your eyes closed */
331
332 MIN_IT (screen.cur.row, nrow - 1);
333 MIN_IT (swap.cur.row, nrow - 1);
334#endif
335 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
336 }
337
338 /* resize columns */
339 if (ncol != prev_ncol)
340 { 411 }
341 int common = min (prev_ncol, ncol);
342 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
343 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
344 412
345 for (p = 0; p < total_rows; p++) 413 term_start = total_rows - nrow;
346 { 414 top_row = q - term_start;
347 if (screen.text[p])
348 {
349 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
350 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
351 415
352 MIN_IT (screen.tlen[p], (int16_t)ncol); 416 clamp_it (screen.cur.row, 0, nrow - 1);
417 clamp_it (screen.cur.col, 0, ncol - 1);
418 }
353 419
354 if (ncol > prev_ncol) 420 // ensure drawn_buf, swap_buf and terminal rows are all initialized
355 scr_blank_line (& (screen.text[p][prev_ncol]), 421 for (int row = nrow; row--; )
356 & (screen.rend[p][prev_ncol]), 422 {
357 ncol - prev_ncol, 423 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
358 setrstyle); 424 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
359 } 425 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
360 } 426 }
361 427
362 for (p = 0; p < nrow; p++) 428 chunk_free (prev_chunk, prev_chunk_size);
363 {
364 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
365 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
366 429
367 if (ncol > prev_ncol)
368 scr_blank_line (& (drawn_text[p][prev_ncol]),
369 & (drawn_rend[p][prev_ncol]),
370 ncol - prev_ncol, setrstyle);
371
372 if (swap.text[p])
373 {
374 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
375 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
376
377 MIN_IT (swap.tlen[p], (int16_t)ncol);
378
379 if (ncol > prev_ncol)
380 scr_blank_line (& (swap.text[p][prev_ncol]),
381 & (swap.rend[p][prev_ncol]),
382 ncol - prev_ncol, setrstyle);
383 }
384
385 }
386
387 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
388 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
389
390 delete talloc; talloc = ta;
391 delete ralloc; ralloc = ra;
392 }
393
394 if (tabs)
395 free (tabs); 430 free (tabs);
396 } 431 tabs = (char *)rxvt_malloc (ncol);
432
433 for (int col = ncol; col--; )
434 tabs [col] = col % TABSIZE == 0;
435
436 CLEAR_ALL_SELECTION ();
397 437
398 prev_nrow = nrow; 438 prev_nrow = nrow;
399 prev_ncol = ncol; 439 prev_ncol = ncol;
400 440
401 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
402
403 for (p = 0; p < ncol; p++)
404 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
405
406 tt_winch (); 441 tt_winch ();
407}
408 442
409void 443 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
410rxvt_term::scr_reset_realloc ()
411{
412 uint16_t total_rows, nrow;
413
414 nrow = TermWin.nrow;
415 total_rows = nrow + TermWin.saveLines;
416 /* *INDENT-OFF* */
417 screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *));
418 buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *));
419 drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *));
420 swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *));
421
422 screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t));
423 swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t));
424
425 screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *));
426 buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *));
427 drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *));
428 swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *));
429 /* *INDENT-ON* */
430} 444}
431 445
432/* ------------------------------------------------------------------------- */ 446void ecb_cold
433/*
434 * Free everything. That way malloc debugging can find leakage.
435 */
436void
437rxvt_term::scr_release () 447rxvt_term::scr_release () noexcept
438{ 448{
439 uint16_t total_rows; 449 chunk_free (chunk, chunk_size);
440 int i; 450 chunk = 0;
451 row_buf = 0;
441 452
442 total_rows = TermWin.nrow + TermWin.saveLines;
443
444#ifdef DEBUG_STRICT
445 for (i = 0; i < total_rows; i++)
446 {
447 if (screen.text[i])
448 /* then so is screen.rend[i] */
449 assert (screen.rend[i]);
450 }
451#endif
452
453 delete talloc; talloc = 0;
454 delete ralloc; ralloc = 0;
455
456 free (screen.text);
457 free (screen.tlen);
458 free (screen.rend);
459 free (drawn_text);
460 free (drawn_rend);
461 free (swap.text);
462 free (swap.tlen);
463 free (swap.rend);
464 free (buf_text);
465 free (buf_rend);
466 free (tabs); 453 free (tabs);
467
468 /* NULL these so if anything tries to use them, we'll know about it */
469 screen.text = drawn_text = swap.text = NULL;
470 screen.rend = drawn_rend = swap.rend = NULL;
471 screen.tlen = swap.tlen = NULL;
472 buf_text = NULL;
473 buf_rend = NULL;
474 tabs = NULL; 454 tabs = 0;
475} 455}
476 456
477/* ------------------------------------------------------------------------- */ 457/* ------------------------------------------------------------------------- */
478/* 458/*
479 * Hard reset 459 * Hard/Soft reset
480 */ 460 */
481void 461void ecb_cold
482rxvt_term::scr_poweron () 462rxvt_term::scr_poweron ()
483{ 463{
484 D_SCREEN ((stderr, "rxvt_scr_poweron ()"));
485
486 scr_release (); 464 scr_release ();
465
487 prev_nrow = prev_ncol = 0; 466 prev_nrow = prev_ncol = 0;
467 rvideo_mode = false;
468 scr_soft_reset ();
488 scr_reset (); 469 scr_reset ();
489 470
490 scr_clear (); 471 scr_clear (true);
491 scr_refresh (SLOW_REFRESH); 472 scr_refresh ();
473}
474
475void ecb_cold
476rxvt_term::scr_soft_reset () noexcept
477{
478 /* only affects modes, nothing drastic such as clearing the screen */
479#if ENABLE_OVERLAY
480 scr_overlay_off ();
481#endif
482
483 if (current_screen != PRIMARY)
484 scr_swap_screen ();
485
486 scr_scroll_region (0, MAX_ROWS - 1);
487 scr_rendition (0, ~RS_None);
488 scr_insert_mode (0);
492} 489}
493 490
494/* ------------------------------------------------------------------------- * 491/* ------------------------------------------------------------------------- *
495 * PROCESS SCREEN COMMANDS * 492 * PROCESS SCREEN COMMANDS *
496 * ------------------------------------------------------------------------- */ 493 * ------------------------------------------------------------------------- */
… …
498 * Save and Restore cursor 495 * Save and Restore cursor
499 * XTERM_SEQ: Save cursor : ESC 7 496 * XTERM_SEQ: Save cursor : ESC 7
500 * XTERM_SEQ: Restore cursor: ESC 8 497 * XTERM_SEQ: Restore cursor: ESC 8
501 */ 498 */
502void 499void
503rxvt_term::scr_cursor (int mode) 500rxvt_term::scr_cursor (cursor_mode mode) noexcept
504{ 501{
505 screen_t *s; 502 screen_t *s;
506
507 D_SCREEN ((stderr, "rxvt_scr_cursor (%c)", mode));
508 503
509#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 504#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
510 if (current_screen == SECONDARY) 505 if (current_screen == SECONDARY)
511 s = & (swap); 506 s = &swap;
512 else 507 else
513#endif 508#endif
514 s = & (screen); 509 s = &screen;
510
515 switch (mode) 511 switch (mode)
516 { 512 {
517 case SAVE: 513 case SAVE:
518 s->s_cur.row = s->cur.row; 514 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 515 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 516 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 517 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 518 s->s_charset_char = charsets[screen.charset];
523 break; 519 break;
520
524 case RESTORE: 521 case RESTORE:
525 want_refresh = 1; 522 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 523 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 524 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 525 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 526 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 527 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 528 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 529 set_font_style ();
533 break; 530 break;
534 } 531 }
532
535 /* boundary check in case screen size changed between SAVE and RESTORE */ 533 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT (s->cur.row, TermWin.nrow - 1); 534 min_it (s->cur.row, nrow - 1);
537 MIN_IT (s->cur.col, TermWin.ncol - 1); 535 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert (s->cur.row >= 0); 536 assert (s->cur.row >= 0);
540 assert (s->cur.col >= 0); 537 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 538}
542 MAX_IT (s->cur.row, 0); 539
543 MAX_IT (s->cur.col, 0); 540void
544#endif 541rxvt_term::scr_swap_screen () noexcept
542{
543 if (!option (Opt_secondaryScreen))
544 return;
545
546 for (int i = prev_nrow; i--; )
547 ::swap (ROW(i), swap_buf [i]);
548
549 ::swap (screen.cur, swap.cur);
550
551 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
552 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 553}
546 554
547/* ------------------------------------------------------------------------- */ 555/* ------------------------------------------------------------------------- */
548/* 556/*
549 * Swap between primary and secondary screens 557 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 558 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 559 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 560 */
553int 561void
554rxvt_term::scr_change_screen (int scrn) 562rxvt_term::scr_change_screen (int scrn)
555{ 563{
556 int i; 564 if (scrn == current_screen)
565 return;
566
567 want_refresh = 1;
568 view_start = 0;
569
570 /* check for boundary cross */
571 row_col_t pos;
572 pos.row = pos.col = 0;
573 if (ROWCOL_IS_BEFORE (selection.beg, pos)
574 && ROWCOL_IS_AFTER (selection.end, pos))
575 CLEAR_SELECTION ();
576
577 current_screen = scrn;
578
557#if NSCREENS 579#if NSCREENS
558 int offset; 580 if (option (Opt_secondaryScreen))
559#endif 581 {
560
561 want_refresh = 1;
562
563 D_SCREEN ((stderr, "rxvt_scr_change_screen (%d)", scrn));
564
565 TermWin.view_start = 0;
566
567 if (current_screen == scrn)
568 return current_screen;
569
570 selection_check (2); /* check for boundary cross */
571
572 SWAP_IT (current_screen, scrn, int);
573#if NSCREENS
574 num_scr = 0; 582 num_scr = 0;
575 offset = TermWin.saveLines; 583
576 for (i = prev_nrow; i--;) 584 scr_swap_screen ();
577 { 585
578 SWAP_IT (screen.text[i + offset], swap.text[i], text_t *); 586 ::swap (screen.charset, swap.charset);
579 SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t); 587 ::swap (screen.flags, swap.flags);
580 SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *);
581 }
582 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
583 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
584# ifdef DEBUG_STRICT
585 assert ((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
586 assert ((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
587# else /* drive with your eyes closed */
588 MAX_IT (screen.cur.row, 0);
589 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
590 MAX_IT (screen.cur.col, 0);
591 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
592# endif
593 SWAP_IT (screen.charset, swap.charset, int16_t);
594 SWAP_IT (screen.flags, swap.flags, int);
595 screen.flags |= Screen_VisibleCursor; 588 screen.flags |= Screen_VisibleCursor;
596 swap.flags |= Screen_VisibleCursor; 589 swap.flags |= Screen_VisibleCursor;
597#else 590 }
598# ifdef SCROLL_ON_NO_SECONDARY 591 else
599 if (current_screen == PRIMARY) 592#endif
593 if (option (Opt_secondaryScroll))
600 scr_scroll_text (0, (prev_nrow - 1), prev_nrow, 0); 594 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
601# endif 595}
602#endif 596
603 return scrn; 597// clear WrapNext indicator, solidifying position on next line
598void
599rxvt_term::scr_do_wrap () noexcept
600{
601 if (!(screen.flags & Screen_WrapNext))
602 return;
603
604 screen.flags &= ~Screen_WrapNext;
605
606 screen.cur.col = 0;
607
608 if (screen.cur.row == screen.bscroll)
609 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
610 else if (screen.cur.row < nrow - 1)
611 screen.cur.row++;
604} 612}
605 613
606/* ------------------------------------------------------------------------- */ 614/* ------------------------------------------------------------------------- */
607/* 615/*
608 * Change the colour for following text 616 * Change the colour for following text
609 */ 617 */
610void 618void
611rxvt_term::scr_color (unsigned int color, int fgbg) 619rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
612{ 620{
613 color &= RS_fgMask; 621 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
622 color = fgbg;
623
614 if (fgbg == Color_fg) 624 if (fgbg == Color_fg)
615 rstyle = SET_FGCOLOR (rstyle, color); 625 rstyle = SET_FGCOLOR (rstyle, color);
616 else 626 else
617 rstyle = SET_BGCOLOR (rstyle, color); 627 rstyle = SET_BGCOLOR (rstyle, color);
618} 628}
… …
620/* ------------------------------------------------------------------------- */ 630/* ------------------------------------------------------------------------- */
621/* 631/*
622 * Change the rendition style for following text 632 * Change the rendition style for following text
623 */ 633 */
624void 634void
625rxvt_term::scr_rendition (int set, int style) 635rxvt_term::scr_rendition (int set, int style) noexcept
626 { 636{
627 if (set) 637 if (set)
628 rstyle |= style; 638 rstyle |= style;
629 else if (style == ~RS_None) 639 else if (style == ~RS_None)
630 rstyle = DEFAULT_RSTYLE; 640 rstyle = DEFAULT_RSTYLE;
631 else 641 else
632 rstyle &= ~style; 642 rstyle &= ~style;
633 } 643}
634 644
635/* ------------------------------------------------------------------------- */ 645/* ------------------------------------------------------------------------- */
636/* 646/*
637 * Scroll text between <row1> and <row2> inclusive, by <count> lines 647 * Scroll text between <row1> and <row2> inclusive, by <count> lines
638 * count positive ==> scroll up 648 * count positive ==> scroll up
639 * count negative ==> scroll down 649 * count negative ==> scroll down
640 * spec == 0 for normal routines
641 */ 650 */
642int 651int ecb_hot
643rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 652rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
644{ 653{
645 int i, j;
646 long nscrolled;
647
648 if (count == 0 || (row1 > row2)) 654 if (count == 0 || (row1 > row2))
649 return 0; 655 return 0;
650 656
651 want_refresh = 1; 657 want_refresh = 1;
652 D_SCREEN ((stderr, "rxvt_scroll_text (%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 658 num_scr += count;
653 659
654 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 660 if (count > 0
661 && row1 == 0
662 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
663 {
664 min_it (count, total_rows - (nrow - (row2 + 1)));
665
666 top_row = max (top_row - count, -saveLines);
667
668 // sever bottommost line
655 { 669 {
656 nscrolled = (long)TermWin.nscrolled + (long)count; 670 line_t &l = ROW(row2);
657 671 l.is_longer (0);
658 if (nscrolled > (long)TermWin.saveLines) 672 l.touch ();
659 TermWin.nscrolled = TermWin.saveLines;
660 else
661 TermWin.nscrolled = (uint16_t)nscrolled;
662
663 if ((Options & Opt_scrollWithBuffer)
664 && TermWin.view_start != 0
665 && TermWin.view_start != TermWin.saveLines)
666 scr_page (UP, count);
667 } 673 }
668 else if (!spec)
669 row1 += TermWin.saveLines;
670 674
671 row2 += TermWin.saveLines; 675 // scroll everything up 'count' lines
676 term_start = (term_start + count) % total_rows;
672 677
678 // now copy lines below the scroll region bottom to the
679 // bottom of the screen again, so they look as if they
680 // hadn't moved.
681 for (int i = nrow; --i > row2; )
682 {
683 line_t &l1 = ROW(i - count);
684 line_t &l2 = ROW(i);
685
686 ::swap (l1, l2);
687 l2.touch ();
688 }
689
690 // erase newly scrolled-in lines
691 for (int i = count; i--; )
692 {
693 line_t &l = ROW(row2 - i);
694
695 // optimise if already cleared, can be significant on slow machines
696 // could be rolled into scr_blank_screen_mem
697 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
698 {
699 scr_blank_line (l, 0, l.l, rstyle);
700 l.l = 0;
701 l.f = 0;
702 }
703 else
704 scr_blank_screen_mem (l, rstyle);
705 }
706
707 // move and/or clear selection, if any
673 if (selection.op && current_screen == selection.screen) 708 if (selection.op && current_screen == selection.screen
674 { 709 && selection.beg.row <= row2)
675 i = selection.beg.row + TermWin.saveLines;
676 j = selection.end.row + TermWin.saveLines;
677 if ((i < row1 && j > row1)
678 || (i < row2 && j > row2)
679 || (i - count < row1 && i >= row1)
680 || (i - count > row2 && i <= row2)
681 || (j - count < row1 && j >= row1)
682 || (j - count > row2 && j <= row2))
683 {
684 CLEAR_ALL_SELECTION ();
685 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
686 } 710 {
687 else if (j >= row1 && j <= row2)
688 {
689 /* move selected region too */
690 selection.beg.row -= count; 711 selection.beg.row -= count;
691 selection.end.row -= count; 712 selection.end.row -= count;
692 selection.mark.row -= count; 713 selection.mark.row -= count;
693 }
694 }
695 714
696 selection_check (0); /* _after_ TermWin.nscrolled update */ 715 selection_check (0);
697
698 num_scr += count;
699 j = count;
700
701 if (count < 0)
702 count = -count;
703
704 i = row2 - row1 + 1;
705 MIN_IT (count, i);
706
707 if (j > 0)
708 {
709 /* A: scroll up */
710
711 /* A1: Copy lines that will get clobbered by the rotation */
712 for (i = 0, j = row1; i < count; i++, j++)
713 { 716 }
714 buf_text[i] = screen.text[j]; 717
715 buf_rend[i] = screen.rend[j]; 718 // finally move the view window, if desired
719 if (option (Opt_scrollWithBuffer)
720 && view_start != 0
721 && view_start != -saveLines)
722 scr_page (count);
723
724 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
725 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
726 }
727 else
728 {
729 if (selection.op && current_screen == selection.screen)
716 } 730 {
717 /* A2: Rotate lines */ 731 if ((selection.beg.row < row1 && selection.end.row > row1)
718 for (j = row1, i = j + count; i <= row2; i++, j++) 732 || (selection.beg.row < row2 && selection.end.row > row2)
733 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
734 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
735 || (selection.end.row - count < row1 && selection.end.row >= row1)
736 || (selection.end.row - count > row2 && selection.end.row <= row2))
737 {
738 CLEAR_ALL_SELECTION ();
739 selection.op = SELECTION_CLEAR;
740 }
741 else if (selection.end.row >= row1 && selection.end.row <= row2)
742 {
743 /* move selected region too */
744 selection.beg.row -= count;
745 selection.end.row -= count;
746 selection.mark.row -= count;
747
748 selection_check (0);
749 }
719 { 750 }
720 screen.tlen[j] = screen.tlen[i]; 751
721 screen.text[j] = screen.text[i]; 752 // use a simple and robust scrolling algorithm, this
722 screen.rend[j] = screen.rend[i]; 753 // part of scr_scroll_text is not time-critical.
754
755 // sever line above scroll region
756 if (row1)
723 } 757 {
724 j = row2 - count + 1, i = count; 758 line_t &l = ROW(row1 - 1);
725 } 759 l.is_longer (0);
726 else /* if (j < 0) */ 760 l.touch ();
727 {
728 /* B: scroll down */
729
730 /* B1: Copy lines that will get clobbered by the rotation */
731 for (i = 0, j = row2; i < count; i++, j--)
732 { 761 }
733 buf_text[i] = screen.text[j]; 762
734 buf_rend[i] = screen.rend[j]; 763 int rows = row2 - row1 + 1;
764
765 min_it (count, rows);
766
767 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
768
769 for (int row = 0; row < rows; row++)
735 } 770 {
736 /* B2: Rotate lines */ 771 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
737 for (j = row2, i = j - count; i >= row1; i--, j--) 772
773 if (!IN_RANGE_EXC (row + count, 0, rows))
774 scr_blank_screen_mem (temp_buf [row], rstyle);
738 { 775 }
739 screen.tlen[j] = screen.tlen[i]; 776
740 screen.text[j] = screen.text[i]; 777 for (int row = 0; row < rows; row++)
741 screen.rend[j] = screen.rend[i]; 778 ROW(row1 + row) = temp_buf [row];
779
780 // sever bottommost line
781 {
782 line_t &l = ROW(row2);
783 l.is_longer (0);
784 l.touch ();
742 } 785 }
743 j = row1, i = count;
744 count = -count;
745 }
746
747 /* C: Resurrect lines */
748 for (; i--; j++)
749 {
750 screen.tlen[j] = 0;
751 screen.text[j] = buf_text[i];
752 screen.rend[j] = buf_rend[i];
753
754 if (!spec) /* line length may not equal TermWin.ncol */
755 scr_blank_screen_mem (screen.text, screen.rend,
756 (unsigned int)j, rstyle);
757 } 786 }
758 787
759 return count; 788 return count;
760} 789}
761 790
762/* ------------------------------------------------------------------------- */ 791/* ------------------------------------------------------------------------- */
763/* 792/*
764 * Add text given in <str> of length <len> to screen struct 793 * Add text given in <str> of length <len> to screen struct
765 */ 794 */
766void 795void ecb_hot
767rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 796rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
768{ 797{
769 unsigned char checksel, clearsel;
770 uint32_t c;
771 int i, row, last_col;
772 text_t *stp;
773 rend_t *srp;
774
775 if (len <= 0) /* sanity */ 798 if (len <= 0) /* sanity */
776 return; 799 return;
777 800
801 bool checksel;
802 unicode_t c;
803 int ncol = this->ncol;
804 const wchar_t *strend = str + len;
805
778 want_refresh = 1; 806 want_refresh = 1;
779 last_col = TermWin.ncol;
780
781 D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len));
782 ZERO_SCROLLBACK (); 807 ZERO_SCROLLBACK ();
808
783 if (nlines > 0) 809 if (minlines > 0)
784 { 810 {
785 nlines += (screen.cur.row - screen.bscroll); 811 minlines += screen.cur.row - screen.bscroll;
812 min_it (minlines, screen.cur.row - top_row);
813
786 if ((nlines > 0) 814 if (minlines > 0
787 && (screen.tscroll == 0) 815 && screen.tscroll == 0
788 && (screen.bscroll == (TermWin.nrow - 1))) 816 && screen.bscroll == nrow - 1)
789 { 817 {
790 /* _at least_ this many lines need to be scrolled */ 818 /* _at least_ this many lines need to be scrolled */
791 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 819 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
792 screen.cur.row -= nlines; 820 screen.cur.row -= minlines;
793 } 821 }
794 } 822 }
795#ifdef DEBUG_STRICT 823
796 assert (screen.cur.col < last_col); 824 assert (screen.cur.col < ncol);
797 assert ((screen.cur.row < TermWin.nrow) 825 assert (screen.cur.row < nrow
798 && (screen.cur.row >= - (int32_t)TermWin.nscrolled)); 826 && screen.cur.row >= top_row);
799#else /* drive with your eyes closed */ 827 int row = screen.cur.row;
800 MIN_IT (screen.cur.col, last_col - 1);
801 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
802 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
803#endif
804 row = screen.cur.row + TermWin.saveLines;
805 828
806 checksel = (selection.op 829 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
807 && current_screen == selection.screen) ? 1 : 0;
808 clearsel = 0;
809 830
810 stp = screen.text[row]; 831 line_t *line = &ROW(row);
811 srp = screen.rend[row];
812 832
813 for (i = 0; i < len;) 833 while (str < strend)
814 { 834 {
815 c = str[i++]; 835 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
816 switch (c) 836
837 if (ecb_unlikely (c < 0x20))
838 if (c == C0_LF)
817 { 839 {
818 case '\t': 840 max_it (line->l, screen.cur.col);
819 scr_tab (1); 841
842 screen.flags &= ~Screen_WrapNext;
843
844 if (screen.cur.row == screen.bscroll)
845 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
846 else if (screen.cur.row < (nrow - 1))
847 row = ++screen.cur.row;
848
849 line = &ROW(row); /* _must_ refresh */
820 continue; 850 continue;
821 case '\n': 851 }
822 if (screen.tlen[row] != -1) /* XXX: think about this */ 852 else if (c == C0_CR)
823 MAX_IT (screen.tlen[row], screen.cur.col); 853 {
824 screen.flags &= ~Screen_WrapNext; 854 max_it (line->l, screen.cur.col);
825 if (screen.cur.row == screen.bscroll) 855
826 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
827 else if (screen.cur.row < (TermWin.nrow - 1))
828 row = (++screen.cur.row) + TermWin.saveLines;
829 stp = screen.text[row]; /* _must_ refresh */
830 srp = screen.rend[row]; /* _must_ refresh */
831 continue;
832 case '\r':
833 if (screen.tlen[row] != -1) /* XXX: think about this */
834 MAX_IT (screen.tlen[row], screen.cur.col);
835 screen.flags &= ~Screen_WrapNext; 856 screen.flags &= ~Screen_WrapNext;
836 screen.cur.col = 0; 857 screen.cur.col = 0;
837 continue; 858 continue;
838 default:
839 if (c == 127)
840 continue; /* yummmm..... */
841 break;
842 } 859 }
860 else if (c == C0_HT)
861 {
862 scr_tab (1, true);
863 continue;
864 }
843 865
866 if (ecb_unlikely (
844 if (checksel /* see if we're writing within selection */ 867 checksel /* see if we're writing within selection */
845 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 868 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
846 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 869 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
870 ))
847 { 871 {
848 checksel = 0; 872 checksel = 0;
849 clearsel = 1;
850 } 873 /*
851 874 * If we wrote anywhere in the selected area, kill the selection
852 if (screen.flags & Screen_WrapNext) 875 * XXX: should we kill the mark too? Possibly, but maybe that
876 * should be a similar check.
877 */
878 CLEAR_SELECTION ();
853 { 879 }
854 screen.tlen[row] = -1;
855 if (screen.cur.row == screen.bscroll)
856 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
857 else if (screen.cur.row < (TermWin.nrow - 1))
858 row = (++screen.cur.row) + TermWin.saveLines;
859 880
860 stp = screen.text[row]; /* _must_ refresh */ 881 if (ecb_unlikely (screen.flags & Screen_WrapNext))
861 srp = screen.rend[row]; /* _must_ refresh */
862 screen.cur.col = 0;
863 screen.flags &= ~Screen_WrapNext;
864 }
865
866 if (screen.flags & Screen_Insert)
867 scr_insdel_chars (1, INSERT);
868
869 // rely on wcwidth to tell us the character width, at least for non-latin1
870 // do wcwidth before further replacements, as wcwidth says that line-drawing
871 // characters have width -1 (DOH!) on gnu/linux sometimes.
872 int width = c < 256 ? 1 : wcwidth (c);
873
874 if (charsets[screen.charset] == '0') // DEC SPECIAL
875 switch (c)
876 { 882 {
883 scr_do_wrap ();
884
885 line->l = ncol;
886 line->is_longer (1);
887
888 row = screen.cur.row;
889 line = &ROW(row); /* _must_ refresh */
890 }
891
892 // some utf-8 decoders "decode" surrogate characters: let's fix this.
893 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
894 c = 0xfffd;
895
896 // rely on wcwidth to tell us the character width, do wcwidth before
897 // further replacements, as wcwidth might return -1 for the line
898 // drawing characters below as they might be invalid in the current
899 // locale.
900 int width = WCWIDTH (c);
901
902 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
903 {
877 // vt100 special graphics and line drawing 904 // vt100 special graphics and line drawing
878 case '`': c = 0x25c6; break; case '_': c = 0x0020; break; 905 // 5f-7e standard vt100
879 case 'a': c = 0x2592; break; case 'b': c = 0x2409; break; case 'c': c = 0x240c; break; 906 // 40-5e rxvt extension for extra curses acs chars
880 case 'd': c = 0x240d; break; case 'e': c = 0x240a; break; case 'f': c = 0x00b0; break; 907 static uint16_t vt100_0[62] = { // 41 .. 7e
881 case 'g': c = 0x00b1; break; case 'h': c = 0x2424; break; case 'i': c = 0x240b; break; 908 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
882 case 'j': c = 0x2518; break; case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; 909 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
883 case 'm': c = 0x2514; break; case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; 910 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
884 case 'p': c = 0x23bb; break; case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; 911 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
885 case 's': c = 0x23bd; break; case 't': c = 0x251c; break; case 'u': c = 0x2524; break; 912 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
886 case 'v': c = 0x2534; break; case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; 913 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
887 case 'y': c = 0x2264; break; case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; 914 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
888 case '|': c = 0x2260; break; case '}': c = 0x00a3; break; case '~': c = 0x00b7; break; 915 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
889 } 916 };
890 917
918 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
919 {
920 c = vt100_0[c - 0x41];
921 width = 1; // vt100 line drawing characters are always single-width
922 }
923 }
924
925 if (ecb_unlikely (screen.flags & Screen_Insert))
926 scr_insdel_chars (width, INSERT);
927
891 if (width > 0) 928 if (width != 0)
892 { 929 {
893#if !UNICODE_3 && ENABLE_COMBINING 930#if !UNICODE_3
894 // trim characters we can't store directly :( 931 // trim characters we can't store directly :(
895 if (c >= 0x10000) 932 if (c >= 0x10000)
933# if ENABLE_COMBINING
896 c = rxvt_composite.compose (c); // map to lower 16 bits 934 c = rxvt_composite.compose (c); // map to lower 16 bits
935# else
936 c = 0xfffd;
897#endif 937# endif
938#endif
939
898 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 940 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
941
942 // if the character doesn't fit into the remaining columns...
943 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
944 {
945 if (screen.flags & Screen_Autowrap)
946 {
947 // ... artificially enlargen the previous one
948 c = NOCHAR;
949 // and try the same character next loop iteration
950 --str;
951 }
952 else
953 screen.cur.col = ncol - width;
954 }
955
956 // nuke the character at this position, if required
957 // due to wonderful coincidences everywhere else in this loop
958 // we never have to check for overwriting a wide char itself,
959 // only its tail.
960 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
961 scr_kill_char (*line, screen.cur.col);
962
963 line->touch ();
899 964
900 do 965 do
901 { 966 {
902 stp[screen.cur.col] = c; 967 line->t[screen.cur.col] = c;
903 srp[screen.cur.col] = rend; 968 line->r[screen.cur.col] = rend;
904 969
905 if (screen.cur.col < last_col - 1) 970 if (ecb_likely (screen.cur.col < ncol - 1))
906 screen.cur.col++; 971 screen.cur.col++;
907 else 972 else
908 { 973 {
909 screen.tlen[row] = last_col; 974 line->l = ncol;
910 if (screen.flags & Screen_Autowrap) 975 if (screen.flags & Screen_Autowrap)
911 screen.flags |= Screen_WrapNext; 976 screen.flags |= Screen_WrapNext;
912 break; 977
978 goto end_of_line;
913 } 979 }
914 980
915 c = NOCHAR; 981 c = NOCHAR;
916 } 982 }
917 while (--width > 0); 983 while (ecb_unlikely (--width > 0));
918 984
919 // pad with spaces when overwriting wide character with smaller one 985 // pad with spaces when overwriting wide character with smaller one
920 for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++) 986 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
921 { 987 {
922 stp[c] = ' '; 988 line->t[c] = ' ';
923 srp[c] = rend; 989 line->r[c] = rend;
924 } 990 }
991
992end_of_line:
925 } 993 ;
926 else if (width == 0)
927 { 994 }
928#if ENABLE_COMBINING 995#if ENABLE_COMBINING
929 // handle combining characters 996 else // width == 0
930 // we just tag the accent on the previous on-screen character. 997 {
931 // this is arguably not correct, but also arguably not wrong. 998 if (c != 0xfeff) // ignore BOM
932 // we don't handle double-width characters nicely yet.
933
934 text_t *tp;
935 rend_t *rp;
936
937 if (screen.cur.col > 0)
938 { 999 {
1000 // handle combining characters
1001 // we just tag the accent on the previous on-screen character.
1002 // this is arguably not correct, but also arguably not wrong.
1003 // we don't handle double-width characters nicely yet.
1004 line_t *linep;
1005 text_t *tp;
1006 rend_t *rp;
1007
1008 if (screen.cur.col > 0)
1009 {
1010 linep = line;
939 tp = stp + screen.cur.col - 1; 1011 tp = line->t + screen.cur.col - 1;
940 rp = srp + screen.cur.col - 1; 1012 rp = line->r + screen.cur.col - 1;
1013 }
1014 else if (screen.cur.row > 0
1015 && ROW(screen.cur.row - 1).is_longer ())
1016 {
1017 linep = &ROW(screen.cur.row - 1);
1018 tp = linep->t + ncol - 1;
1019 rp = linep->r + ncol - 1;
1020 }
1021 else
1022 continue;
1023
1024 linep->touch ();
1025
1026 while (*tp == NOCHAR && tp > linep->t)
1027 tp--, rp--;
1028
1029 // first try to find a precomposed character
1030 unicode_t n = rxvt_compose (*tp, c);
1031 if (n == NOCHAR)
1032 n = rxvt_composite.compose (*tp, c);
1033
1034 *tp = n;
1035 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
941 } 1036 }
942 else if (screen.cur.row > 0
943 && screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1)
944 {
945 tp = screen.text[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
946 rp = screen.rend[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
947 } 1037 }
948 else
949 continue;
950
951 // handle double-width-chars by making them look extremely ugly
952 if (*tp == NOCHAR)
953 *tp = ' '; // hack //D //TODO //--tp, --rp;
954
955 // first try to find a precomposed character
956 uint32_t n = rxvt_compose (*tp, c);
957 if (n == NOCHAR)
958 n = rxvt_composite.compose (*tp, c);
959
960 *tp = n;
961 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
962#endif 1038#endif
963 }
964 } 1039 }
965 1040
966 if (screen.tlen[row] != -1) /* XXX: think about this */ 1041 max_it (line->l, screen.cur.col);
967 MAX_IT (screen.tlen[row], screen.cur.col);
968 1042
969 /*
970 * If we wrote anywhere in the selected area, kill the selection
971 * XXX: should we kill the mark too? Possibly, but maybe that
972 * should be a similar check.
973 */
974 if (clearsel)
975 CLEAR_SELECTION ();
976
977#ifdef DEBUG_STRICT
978 assert (screen.cur.row >= 0); 1043 assert (screen.cur.row >= 0);
979#else /* drive with your eyes closed */
980 MAX_IT (screen.cur.row, 0);
981#endif
982} 1044}
983 1045
984/* ------------------------------------------------------------------------- */ 1046/* ------------------------------------------------------------------------- */
985/* 1047/*
986 * Process Backspace. Move back the cursor back a position, wrap if have to 1048 * Process Backspace. Move back the cursor back a position, wrap if have to
987 * XTERM_SEQ: CTRL-H 1049 * XTERM_SEQ: CTRL-H
988 */ 1050 */
989void 1051void
990rxvt_term::scr_backspace () 1052rxvt_term::scr_backspace () noexcept
991{ 1053{
992 want_refresh = 1;
993 if (screen.cur.col == 0) 1054 if (screen.cur.col == 0)
994 { 1055 {
995 if (screen.cur.row > 0) 1056 if (screen.cur.row > 0)
996 { 1057 {
997#ifdef TERMCAP_HAS_BW 1058#ifdef TERMCAP_HAS_BW
998 screen.cur.col = TermWin.ncol - 1; 1059 screen.cur.col = ncol - 1;
999 screen.cur.row--; 1060 --screen.cur.row;
1000 return;
1001#endif
1002 1061
1062 want_refresh = 1;
1063#endif
1003 } 1064 }
1004 } 1065 }
1005 else if ((screen.flags & Screen_WrapNext) == 0) 1066 else if (screen.flags & Screen_WrapNext)
1067 screen.flags &= ~Screen_WrapNext;
1068 else
1006 scr_gotorc (0, -1, RELATIVE); 1069 scr_gotorc (0, -1, RELATIVE);
1007 screen.flags &= ~Screen_WrapNext;
1008} 1070}
1009 1071
1010/* ------------------------------------------------------------------------- */ 1072/* ------------------------------------------------------------------------- */
1011/* 1073/*
1012 * Process Horizontal Tab 1074 * Process Horizontal Tab
1013 * count: +ve = forward; -ve = backwards 1075 * count: +ve = forward; -ve = backwards
1014 * XTERM_SEQ: CTRL-I 1076 * XTERM_SEQ: CTRL-I
1015 */ 1077 */
1016void 1078void
1017rxvt_term::scr_tab (int count) 1079rxvt_term::scr_tab (int count, bool ht) noexcept
1018{ 1080{
1019 int i, x; 1081 int i, x;
1020 1082
1021 D_SCREEN ((stderr, "rxvt_scr_tab (%d)", count));
1022 want_refresh = 1; 1083 want_refresh = 1;
1023 i = x = screen.cur.col; 1084 i = x = screen.cur.col;
1085
1024 if (count == 0) 1086 if (count == 0)
1025 return; 1087 return;
1026 else if (count > 0) 1088 else if (count > 0)
1027 { 1089 {
1090 line_t &l = ROW(screen.cur.row);
1091 rend_t base_rend = l.r[i];
1092 ht &= l.t[i] == ' ';
1093
1028 for (; ++i < TermWin.ncol; ) 1094 for (; ++i < ncol; )
1029 if (tabs[i]) 1095 if (tabs[i])
1030 { 1096 {
1031 x = i; 1097 x = i;
1098
1032 if (!--count) 1099 if (!--count)
1033 break; 1100 break;
1034 } 1101 }
1102 else
1103 ht &= l.t[i] == ' '
1104 && RS_SAME (l.r[i], base_rend);
1105
1035 if (count) 1106 if (count)
1036 x = TermWin.ncol - 1; 1107 x = ncol - 1;
1108
1109 // store horizontal tab commands as characters inside the text
1110 // buffer so they can be selected and pasted.
1111 if (ht && option (Opt_pastableTabs))
1112 {
1113 base_rend = SET_FONT (base_rend, 0);
1114
1115 l.touch (x);
1116
1117 i = screen.cur.col;
1118
1119 l.t[i] = '\t';
1120 l.r[i] = base_rend;
1121
1122 while (++i < x)
1123 {
1124 l.t[i] = NOCHAR;
1125 l.r[i] = base_rend;
1126 }
1127 }
1037 } 1128 }
1038 else /* if (count < 0) */ 1129 else /* if (count < 0) */
1039 { 1130 {
1040 for (; --i >= 0; ) 1131 for (; --i >= 0; )
1041 if (tabs[i]) 1132 if (tabs[i])
1042 { 1133 {
1043 x = i; 1134 x = i;
1044 if (!++count) 1135 if (!++count)
1045 break; 1136 break;
1046 } 1137 }
1138
1047 if (count) 1139 if (count)
1048 x = 0; 1140 x = 0;
1049 } 1141 }
1142
1050 if (x != screen.cur.col) 1143 if (x != screen.cur.col)
1051 scr_gotorc (0, x, R_RELATIVE); 1144 scr_gotorc (0, x, R_RELATIVE);
1052} 1145}
1053 1146
1054/* ------------------------------------------------------------------------- */ 1147/* ------------------------------------------------------------------------- */
… …
1056 * Process DEC Back Index 1149 * Process DEC Back Index
1057 * XTERM_SEQ: ESC 6 1150 * XTERM_SEQ: ESC 6
1058 * Move cursor left in row. If we're at the left boundary, shift everything 1151 * Move cursor left in row. If we're at the left boundary, shift everything
1059 * in that row right. Clear left column. 1152 * in that row right. Clear left column.
1060 */ 1153 */
1061#ifndef NO_FRILLS 1154#if !ENABLE_MINIMAL
1062void 1155void ecb_cold
1063rxvt_term::scr_backindex () 1156rxvt_term::scr_backindex () noexcept
1064{ 1157{
1065 if (screen.cur.col > 0) 1158 if (screen.cur.col > 0)
1066 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1159 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1067 else 1160 else
1068 {
1069 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1070 return; /* um, yeah? */
1071 scr_insdel_chars (1, INSERT); 1161 scr_insdel_chars (1, INSERT);
1072 }
1073} 1162}
1074#endif 1163#endif
1075/* ------------------------------------------------------------------------- */ 1164/* ------------------------------------------------------------------------- */
1076/* 1165/*
1077 * Process DEC Forward Index 1166 * Process DEC Forward Index
1078 * XTERM_SEQ: ESC 9 1167 * XTERM_SEQ: ESC 9
1079 * Move cursor right in row. If we're at the right boundary, shift everything 1168 * Move cursor right in row. If we're at the right boundary, shift everything
1080 * in that row left. Clear right column. 1169 * in that row left. Clear right column.
1081 */ 1170 */
1082#ifndef NO_FRILLS 1171#if !ENABLE_MINIMAL
1083void 1172void ecb_cold
1084rxvt_term::scr_forwardindex () 1173rxvt_term::scr_forwardindex () noexcept
1085{ 1174{
1086 int row;
1087
1088 if (screen.cur.col < TermWin.ncol - 1) 1175 if (screen.cur.col < ncol - 1)
1089 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1176 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1090 else 1177 else
1091 { 1178 {
1092 row = screen.cur.row + TermWin.saveLines; 1179 line_t &l = ROW(screen.cur.row);
1093 if (screen.tlen[row] == 0) 1180
1094 return; /* um, yeah? */ 1181 l.touch ();
1095 else if (screen.tlen[row] == -1) 1182 l.is_longer (0);
1096 screen.tlen[row] = TermWin.ncol; 1183
1097 scr_gotorc (0, 0, R_RELATIVE); 1184 scr_gotorc (0, 0, R_RELATIVE);
1098 scr_insdel_chars (1, DELETE); 1185 scr_insdel_chars (1, DELETE);
1099 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1186 scr_gotorc (0, ncol - 1, R_RELATIVE);
1100 } 1187 }
1101} 1188}
1102#endif 1189#endif
1103 1190
1104/* ------------------------------------------------------------------------- */ 1191/* ------------------------------------------------------------------------- */
1105/* 1192/*
1106 * Goto Row/Column 1193 * Goto Row/Column
1107 */ 1194 */
1108void 1195void
1109rxvt_term::scr_gotorc (int row, int col, int relative) 1196rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1110{ 1197{
1111 want_refresh = 1; 1198 want_refresh = 1;
1112 ZERO_SCROLLBACK (); 1199 ZERO_SCROLLBACK ();
1113 1200
1114 D_SCREEN ((stderr, "rxvt_scr_gotorc (r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, screen.cur.row, screen.cur.col));
1115
1116 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col) 1201 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1117 : col); 1202 clamp_it (screen.cur.col, 0, ncol - 1);
1118 MAX_IT (screen.cur.col, 0);
1119 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1120 1203
1121 screen.flags &= ~Screen_WrapNext; 1204 screen.flags &= ~Screen_WrapNext;
1205
1122 if (relative & R_RELATIVE) 1206 if (relative & R_RELATIVE)
1123 { 1207 {
1124 if (row > 0) 1208 if (row > 0)
1125 { 1209 {
1126 if (screen.cur.row <= screen.bscroll 1210 if (screen.cur.row <= screen.bscroll
… …
1139 } 1223 }
1140 } 1224 }
1141 else 1225 else
1142 { 1226 {
1143 if (screen.flags & Screen_Relative) 1227 if (screen.flags & Screen_Relative)
1228 {
1144 { /* relative origin mode */ 1229 /* relative origin mode */
1145 screen.cur.row = row + screen.tscroll; 1230 screen.cur.row = row + screen.tscroll;
1146 MIN_IT (screen.cur.row, screen.bscroll); 1231 min_it (screen.cur.row, screen.bscroll);
1147 } 1232 }
1148 else 1233 else
1149 screen.cur.row = row; 1234 screen.cur.row = row;
1150 } 1235 }
1151 MAX_IT (screen.cur.row, 0);
1152 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1153 1236
1154 while (screen.cur.col > 0 1237 clamp_it (screen.cur.row, 0, nrow - 1);
1155 && screen.text[screen.cur.row + TermWin.saveLines][screen.cur.col] == NOCHAR)
1156 screen.cur.col--;
1157} 1238}
1158 1239
1159/* ------------------------------------------------------------------------- */ 1240/* ------------------------------------------------------------------------- */
1160/* 1241/*
1161 * direction should be UP or DN 1242 * direction should be UP or DN
1162 */ 1243 */
1163void 1244void
1164rxvt_term::scr_index (enum page_dirn direction) 1245rxvt_term::scr_index (enum page_dirn direction) noexcept
1165{ 1246{
1166 int dirn;
1167
1168 want_refresh = 1; 1247 want_refresh = 1;
1169 dirn = ((direction == UP) ? 1 : -1);
1170 D_SCREEN ((stderr, "rxvt_scr_index (%d)", dirn));
1171
1172 ZERO_SCROLLBACK (); 1248 ZERO_SCROLLBACK ();
1173 1249
1174 screen.flags &= ~Screen_WrapNext; 1250 screen.flags &= ~Screen_WrapNext;
1251
1175 if ((screen.cur.row == screen.bscroll && direction == UP) 1252 if ((screen.cur.row == screen.bscroll && direction == UP)
1176 || (screen.cur.row == screen.tscroll && direction == DN)) 1253 || (screen.cur.row == screen.tscroll && direction == DN))
1177 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1254 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1178 else 1255 else
1179 screen.cur.row += dirn; 1256 screen.cur.row += direction;
1180 MAX_IT (screen.cur.row, 0); 1257
1181 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1); 1258 clamp_it (screen.cur.row, 0, nrow - 1);
1182 selection_check (0); 1259 selection_check (0);
1183} 1260}
1184 1261
1185/* ------------------------------------------------------------------------- */ 1262/* ------------------------------------------------------------------------- */
1186/* 1263/*
1187 * Erase part or whole of a line 1264 * Erase part or whole of a line
1188 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1265 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1189 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1266 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1190 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1267 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1268 * extension: clear to right unless wrapped: ESC [ 3 K
1191 */ 1269 */
1192void 1270void
1193rxvt_term::scr_erase_line (int mode) 1271rxvt_term::scr_erase_line (int mode) noexcept
1194{ 1272{
1195 unsigned int row, col, num; 1273 unsigned int col, num;
1196 1274
1197 want_refresh = 1; 1275 want_refresh = 1;
1198 D_SCREEN ((stderr, "rxvt_scr_erase_line (%d) at screen row: %d", mode, screen.cur.row));
1199 ZERO_SCROLLBACK (); 1276 ZERO_SCROLLBACK ();
1200 1277
1201 selection_check (1); 1278 selection_check (1);
1202 1279
1203 screen.flags &= ~Screen_WrapNext; 1280 line_t &line = ROW(screen.cur.row);
1204 1281
1205 row = TermWin.saveLines + screen.cur.row; 1282 line.touch ();
1283 line.is_longer (0);
1284
1206 switch (mode) 1285 switch (mode)
1207 { 1286 {
1287 case 3:
1288 if (screen.flags & Screen_WrapNext)
1289 return;
1290
1291 /* fall through */
1292
1208 case 0: /* erase to end of line */ 1293 case 0: /* erase to end of line */
1209 col = screen.cur.col; 1294 col = screen.cur.col;
1210 num = TermWin.ncol - col; 1295 num = ncol - col;
1211 MIN_IT (screen.tlen[row], (int16_t)col); 1296 min_it (line.l, col);
1297
1212 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1298 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1213 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1299 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1214 CLEAR_SELECTION (); 1300 CLEAR_SELECTION ();
1215 break; 1301 break;
1302
1216 case 1: /* erase to beginning of line */ 1303 case 1: /* erase to beginning of line */
1217 col = 0; 1304 col = 0;
1218 num = screen.cur.col + 1; 1305 num = screen.cur.col + 1;
1306
1219 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) 1307 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1220 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) 1308 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1221 CLEAR_SELECTION (); 1309 CLEAR_SELECTION ();
1222 break; 1310 break;
1311
1223 case 2: /* erase whole line */ 1312 case 2: /* erase whole line */
1224 col = 0; 1313 col = 0;
1225 num = TermWin.ncol; 1314 num = ncol;
1226 screen.tlen[row] = 0; 1315 line.l = 0;
1227 if (selection.beg.row <= screen.cur.row 1316 if (selection.beg.row <= screen.cur.row
1228 && selection.end.row >= screen.cur.row) 1317 && selection.end.row >= screen.cur.row)
1229 CLEAR_SELECTION (); 1318 CLEAR_SELECTION ();
1230 break; 1319 break;
1231 default: 1320 default:
1232 return; 1321 return;
1233 } 1322 }
1234 1323
1235 if (screen.text[row]) 1324 scr_blank_line (line, col, num, rstyle);
1236 scr_blank_line (& (screen.text[row][col]),
1237 & (screen.rend[row][col]), num, rstyle);
1238 else
1239 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1240} 1325}
1241 1326
1242/* ------------------------------------------------------------------------- */ 1327/* ------------------------------------------------------------------------- */
1243/* 1328/*
1244 * Erase part of whole of the screen 1329 * Erase part or whole of the screen
1245 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1330 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1246 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1331 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1247 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1332 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1248 */ 1333 */
1249void 1334void
1250rxvt_term::scr_erase_screen (int mode) 1335rxvt_term::scr_erase_screen (int mode) noexcept
1251{ 1336{
1252 int num; 1337 int num;
1253 int32_t row, row_offset; 1338 int32_t row;
1254 rend_t ren; 1339 rend_t ren;
1255 XGCValues gcvalue; 1340 XGCValues gcvalue;
1256 1341
1257 want_refresh = 1; 1342 want_refresh = 1;
1258 D_SCREEN ((stderr, "rxvt_scr_erase_screen (%d) at screen row: %d", mode, screen.cur.row));
1259 ZERO_SCROLLBACK (); 1343 ZERO_SCROLLBACK ();
1260 row_offset = (int32_t)TermWin.saveLines;
1261 1344
1262 switch (mode) 1345 switch (mode)
1263 { 1346 {
1264 case 0: /* erase to end of screen */ 1347 case 0: /* erase to end of screen */
1265 selection_check (1);
1266 scr_erase_line (0); 1348 scr_erase_line (0);
1267 row = screen.cur.row + 1; /* possible OOB */ 1349 row = screen.cur.row + 1; /* possible OOB */
1268 num = TermWin.nrow - row; 1350 num = nrow - row;
1269 break; 1351 break;
1270 case 1: /* erase to beginning of screen */ 1352 case 1: /* erase to beginning of screen */
1271 selection_check (3);
1272 scr_erase_line (1); 1353 scr_erase_line (1);
1273 row = 0; 1354 row = 0;
1274 num = screen.cur.row; 1355 num = screen.cur.row;
1275 break; 1356 break;
1276 case 2: /* erase whole screen */ 1357 case 2: /* erase whole screen */
1277 selection_check (3);
1278 row = 0; 1358 row = 0;
1279 num = TermWin.nrow; 1359 num = nrow;
1280 break; 1360 break;
1281 default: 1361 default:
1282 return; 1362 return;
1283 } 1363 }
1284 refresh_type |= REFRESH_BOUNDS; 1364
1285 if (selection.op && current_screen == selection.screen 1365 if (selection.op && current_screen == selection.screen
1286 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1366 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1287 || (selection.end.row >= row 1367 || (selection.end.row >= row
1288 && selection.end.row <= row + num))) 1368 && selection.end.row <= row + num)))
1289 CLEAR_SELECTION (); 1369 CLEAR_SELECTION ();
1370
1290 if (row >= TermWin.nrow) /* Out Of Bounds */ 1371 if (row >= nrow) /* Out Of Bounds */
1291 return; 1372 return;
1292 MIN_IT (num, (TermWin.nrow - row)); 1373
1374 min_it (num, nrow - row);
1375
1293 if (rstyle & (RS_RVid | RS_Uline)) 1376 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1294 ren = (rend_t) ~RS_None; 1377 ren = (rend_t) ~RS_None;
1295 else if (GET_BASEBG (rstyle) == Color_bg) 1378 else if (GET_BASEBG (rstyle) == Color_bg)
1296 { 1379 {
1297 ren = DEFAULT_RSTYLE; 1380 ren = DEFAULT_RSTYLE;
1298 CLEAR_ROWS (row, num); 1381
1382 if (mapped)
1383 XClearArea (dpy, vt, 0,
1384 Row2Pixel (row - view_start), (unsigned int)vt_width,
1385 (unsigned int)Height2Pixel (num), False);
1299 } 1386 }
1300 else 1387 else
1301 { 1388 {
1302 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1389 ren = rstyle & (RS_fgMask | RS_bgMask);
1390
1391 if (mapped)
1392 {
1303 gcvalue.foreground = PixColors[GET_BGCOLOR (rstyle)]; 1393 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1304 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); 1394 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1305 ERASE_ROWS (row, num); 1395 XFillRectangle (dpy, vt, gc,
1396 0, Row2Pixel (row - view_start),
1397 (unsigned int)vt_width,
1398 (unsigned int)Height2Pixel (num));
1306 gcvalue.foreground = PixColors[Color_fg]; 1399 gcvalue.foreground = pix_colors[Color_fg];
1307 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); 1400 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1401 }
1308 } 1402 }
1403
1309 for (; num--; row++) 1404 for (; num--; row++)
1310 { 1405 {
1311 scr_blank_screen_mem (screen.text, screen.rend, 1406 scr_blank_screen_mem (ROW(row), rstyle);
1312 (unsigned int) (row + row_offset), rstyle); 1407
1313 screen.tlen[row + row_offset] = 0; 1408 if (row - view_start < nrow)
1314 scr_blank_line (drawn_text[row], drawn_rend[row], 1409 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1315 (unsigned int)TermWin.ncol, ren);
1316 } 1410 }
1317} 1411}
1412
1413#if !ENABLE_MINIMAL
1414void
1415rxvt_term::scr_erase_savelines () noexcept
1416{
1417 want_refresh = 1;
1418 ZERO_SCROLLBACK ();
1419
1420 top_row = 0;
1421}
1422#endif
1318 1423
1319/* ------------------------------------------------------------------------- */ 1424/* ------------------------------------------------------------------------- */
1320/* 1425/*
1321 * Fill the screen with `E's 1426 * Fill the screen with `E's
1322 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1427 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1323 */ 1428 */
1324void 1429void ecb_cold
1325rxvt_term::scr_E () 1430rxvt_term::scr_E () noexcept
1326{ 1431{
1327 int i, j, k; 1432 rend_t fs;
1328 rend_t *r1, fs;
1329 1433
1330 want_refresh = 1; 1434 want_refresh = 1;
1435 ZERO_SCROLLBACK ();
1436
1331 num_scr_allow = 0; 1437 num_scr_allow = 0;
1332 ZERO_SCROLLBACK ();
1333 selection_check (3);
1334 1438
1439 row_col_t pos;
1440 pos.row = pos.col = 0;
1441 if (ROWCOL_IS_AFTER (selection.end, pos))
1442 CLEAR_SELECTION ();
1443
1335 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1444 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1336 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) 1445 for (int row = nrow; row--; )
1337 { 1446 {
1338 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1447 line_t &line = ROW(row);
1448
1339 fill_text (screen.text[k], 'E', TermWin.ncol); 1449 fill_text (line.t, 'E', ncol);
1340 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1450 rend_t *r1 = line.r;
1451
1452 for (int j = ncol; j--; )
1341 *r1++ = fs; 1453 *r1++ = fs;
1454
1455 line.is_longer (0);
1456 line.touch (ncol);
1342 } 1457 }
1343} 1458}
1344 1459
1345/* ------------------------------------------------------------------------- */ 1460/* ------------------------------------------------------------------------- */
1346/* 1461/*
1347 * Insert/Delete <count> lines 1462 * Insert/Delete <count> lines
1348 */ 1463 */
1349void 1464void
1350rxvt_term::scr_insdel_lines (int count, int insdel) 1465rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1351{ 1466{
1352 int end; 1467 int end;
1353 1468
1354 ZERO_SCROLLBACK (); 1469 ZERO_SCROLLBACK ();
1355 1470
1356 selection_check (1); 1471 selection_check (1);
1357 1472
… …
1364 if (insdel == DELETE) 1479 if (insdel == DELETE)
1365 return; 1480 return;
1366 else if (insdel == INSERT) 1481 else if (insdel == INSERT)
1367 count = end; 1482 count = end;
1368 } 1483 }
1369 screen.flags &= ~Screen_WrapNext;
1370 1484
1485 scr_do_wrap ();
1486
1371 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1487 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1372} 1488}
1373 1489
1374/* ------------------------------------------------------------------------- */ 1490/* ------------------------------------------------------------------------- */
1375/* 1491/*
1376 * Insert/Delete <count> characters from the current position 1492 * Insert/Delete <count> characters from the current position
1377 */ 1493 */
1378void 1494void
1379rxvt_term::scr_insdel_chars (int count, int insdel) 1495rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1380{ 1496{
1381 int col, row;
1382 rend_t tr;
1383 text_t *stp;
1384 rend_t *srp;
1385 int16_t *slp;
1386
1387 want_refresh = 1; 1497 want_refresh = 1;
1388 ZERO_SCROLLBACK (); 1498 ZERO_SCROLLBACK ();
1389 1499
1390 if (count <= 0) 1500 if (count <= 0)
1391 return; 1501 return;
1392 1502
1503 scr_do_wrap ();
1504
1393 selection_check (1); 1505 selection_check (1);
1394 MIN_IT (count, (TermWin.ncol - screen.cur.col)); 1506 min_it (count, ncol - screen.cur.col);
1395 1507
1396 row = screen.cur.row + TermWin.saveLines; 1508 int row = screen.cur.row;
1397 screen.flags &= ~Screen_WrapNext;
1398 1509
1399 stp = screen.text[row]; 1510 line_t *line = &ROW(row);
1400 srp = screen.rend[row]; 1511
1401 slp = & (screen.tlen[row]); 1512 line->touch ();
1513 line->is_longer (0);
1514
1515 // nuke wide spanning the start
1516 if (line->t[screen.cur.col] == NOCHAR)
1517 scr_kill_char (*line, screen.cur.col);
1518
1402 switch (insdel) 1519 switch (insdel)
1403 { 1520 {
1404 case INSERT: 1521 case INSERT:
1405 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1522 line->l = min (line->l + count, ncol);
1406 col--) 1523
1524 if (line->t[screen.cur.col] == NOCHAR)
1525 scr_kill_char (*line, screen.cur.col);
1526
1527 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1407 { 1528 {
1408 stp[col] = stp[col - count]; 1529 line->t[col] = line->t[col - count];
1409 srp[col] = srp[col - count]; 1530 line->r[col] = line->r[col - count];
1410 } 1531 }
1411 if (*slp != -1) 1532
1412 {
1413 *slp += count;
1414 MIN_IT (*slp, TermWin.ncol);
1415 }
1416 if (selection.op && current_screen == selection.screen 1533 if (selection.op && current_screen == selection.screen
1417 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1534 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1418 { 1535 {
1419 if (selection.end.row != screen.cur.row 1536 if (selection.end.row != screen.cur.row
1420 || (selection.end.col + count >= TermWin.ncol)) 1537 || (selection.end.col + count >= ncol))
1421 CLEAR_SELECTION (); 1538 CLEAR_SELECTION ();
1422 else 1539 else
1540 {
1423 { /* shift selection */ 1541 /* shift selection */
1424 selection.beg.col += count; 1542 selection.beg.col += count;
1425 selection.mark.col += count; /* XXX: yes? */ 1543 selection.mark.col += count; /* XXX: yes? */
1426 selection.end.col += count; 1544 selection.end.col += count;
1427 } 1545 }
1428 } 1546 }
1429 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]), 1547
1430 (unsigned int)count, rstyle); 1548 scr_blank_line (*line, screen.cur.col, count, rstyle);
1431 break; 1549 break;
1550
1432 case ERASE: 1551 case ERASE:
1433 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1552 screen.cur.col += count; /* don't worry if > ncol */
1434 selection_check (1); 1553 selection_check (1);
1435 screen.cur.col -= count; 1554 screen.cur.col -= count;
1436 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]), 1555
1437 (unsigned int)count, rstyle); 1556 // nuke wide char after the end
1557 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1558 scr_kill_char (*line, screen.cur.col + count);
1559
1560 scr_blank_line (*line, screen.cur.col, count, rstyle);
1438 break; 1561 break;
1562
1439 case DELETE: 1563 case DELETE:
1440 tr = srp[TermWin.ncol - 1] 1564 line->l = max (line->l - count, 0);
1441 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1565
1566 // nuke wide char spanning the end
1567 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1568 scr_kill_char (*line, screen.cur.col + count);
1569
1442 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) 1570 for (int col = screen.cur.col; (col + count) < ncol; col++)
1443 { 1571 {
1444 stp[col] = stp[col + count]; 1572 line->t[col] = line->t[col + count];
1445 srp[col] = srp[col + count]; 1573 line->r[col] = line->r[col + count];
1446 } 1574 }
1447 scr_blank_line (& (stp[TermWin.ncol - count]), 1575
1448 & (srp[TermWin.ncol - count]), 1576 scr_blank_line (*line, ncol - count, count, rstyle);
1449 (unsigned int)count, tr); 1577
1450 if (*slp == -1) /* break line continuation */
1451 *slp = TermWin.ncol;
1452 *slp -= count;
1453 MAX_IT (*slp, 0);
1454 if (selection.op && current_screen == selection.screen 1578 if (selection.op && current_screen == selection.screen
1455 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1579 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1456 { 1580 {
1457 if (selection.end.row != screen.cur.row 1581 if (selection.end.row != screen.cur.row
1458 || (screen.cur.col >= selection.beg.col - count) 1582 || (screen.cur.col >= selection.beg.col - count)
1459 || selection.end.col >= TermWin.ncol) 1583 || selection.end.col >= ncol)
1460 CLEAR_SELECTION (); 1584 CLEAR_SELECTION ();
1461 else 1585 else
1462 { 1586 {
1463 /* shift selection */ 1587 /* shift selection */
1464 selection.beg.col -= count; 1588 selection.beg.col -= count;
1465 selection.mark.col -= count; /* XXX: yes? */ 1589 selection.mark.col -= count; /* XXX: yes? */
1466 selection.end.col -= count; 1590 selection.end.col -= count;
1467 } 1591 }
1468 } 1592 }
1593
1469 break; 1594 break;
1470 } 1595 }
1471} 1596}
1472 1597
1473/* ------------------------------------------------------------------------- */ 1598/* ------------------------------------------------------------------------- */
1474/* 1599/*
1475 * Set the scrolling region 1600 * Set the scrolling region
1476 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1601 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1477 */ 1602 */
1478void 1603void ecb_cold
1479rxvt_term::scr_scroll_region (int top, int bot) 1604rxvt_term::scr_scroll_region (int top, int bot) noexcept
1480{ 1605{
1481 MAX_IT (top, 0); 1606 max_it (top, 0);
1482 MIN_IT (bot, (int)TermWin.nrow - 1); 1607 min_it (bot, nrow - 1);
1608
1483 if (top > bot) 1609 if (top > bot)
1484 return; 1610 return;
1611
1485 screen.tscroll = top; 1612 screen.tscroll = top;
1486 screen.bscroll = bot; 1613 screen.bscroll = bot;
1487 scr_gotorc (0, 0, 0); 1614 scr_gotorc (0, 0, 0);
1488} 1615}
1489 1616
… …
1491/* 1618/*
1492 * Make the cursor visible/invisible 1619 * Make the cursor visible/invisible
1493 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1620 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1494 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1621 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1495 */ 1622 */
1496void 1623void ecb_cold
1497rxvt_term::scr_cursor_visible (int mode) 1624rxvt_term::scr_cursor_visible (int mode) noexcept
1498{ 1625{
1499 want_refresh = 1; 1626 want_refresh = 1;
1627
1500 if (mode) 1628 if (mode)
1501 screen.flags |= Screen_VisibleCursor; 1629 screen.flags |= Screen_VisibleCursor;
1502 else 1630 else
1503 screen.flags &= ~Screen_VisibleCursor; 1631 screen.flags &= ~Screen_VisibleCursor;
1504} 1632}
… …
1507/* 1635/*
1508 * Set/unset automatic wrapping 1636 * Set/unset automatic wrapping
1509 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1637 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1510 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1638 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1511 */ 1639 */
1512void 1640void ecb_cold
1513rxvt_term::scr_autowrap (int mode) 1641rxvt_term::scr_autowrap (int mode) noexcept
1514{ 1642{
1515 if (mode) 1643 if (mode)
1516 screen.flags |= Screen_Autowrap; 1644 screen.flags |= Screen_Autowrap;
1517 else 1645 else
1518 screen.flags &= ~ (Screen_Autowrap | Screen_WrapNext); 1646 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1519} 1647}
1520 1648
1521/* ------------------------------------------------------------------------- */ 1649/* ------------------------------------------------------------------------- */
1522/* 1650/*
1523 * Set/unset margin origin mode 1651 * Set/unset margin origin mode
… …
1526 * Relative mode: line numbers are relative to top margin of scrolling region 1654 * Relative mode: line numbers are relative to top margin of scrolling region
1527 * and the cursor cannot be moved outside. 1655 * and the cursor cannot be moved outside.
1528 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1656 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1529 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1657 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1530 */ 1658 */
1531void 1659void ecb_cold
1532rxvt_term::scr_relative_origin (int mode) 1660rxvt_term::scr_relative_origin (int mode) noexcept
1533{ 1661{
1534 if (mode) 1662 if (mode)
1535 screen.flags |= Screen_Relative; 1663 screen.flags |= Screen_Relative;
1536 else 1664 else
1537 screen.flags &= ~Screen_Relative; 1665 screen.flags &= ~Screen_Relative;
1666
1538 scr_gotorc (0, 0, 0); 1667 scr_gotorc (0, 0, 0);
1539} 1668}
1540 1669
1541/* ------------------------------------------------------------------------- */ 1670/* ------------------------------------------------------------------------- */
1542/* 1671/*
1543 * Set insert/replace mode 1672 * Set insert/replace mode
1544 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1673 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1545 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1674 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1546 */ 1675 */
1547void 1676void ecb_cold
1548rxvt_term::scr_insert_mode (int mode) 1677rxvt_term::scr_insert_mode (int mode) noexcept
1549{ 1678{
1550 if (mode) 1679 if (mode)
1551 screen.flags |= Screen_Insert; 1680 screen.flags |= Screen_Insert;
1552 else 1681 else
1553 screen.flags &= ~Screen_Insert; 1682 screen.flags &= ~Screen_Insert;
… …
1558 * Set/Unset tabs 1687 * Set/Unset tabs
1559 * XTERM_SEQ: Set tab at current column : ESC H 1688 * XTERM_SEQ: Set tab at current column : ESC H
1560 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1689 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1561 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1690 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1562 */ 1691 */
1563void 1692void ecb_cold
1564rxvt_term::scr_set_tab (int mode) 1693rxvt_term::scr_set_tab (int mode) noexcept
1565{ 1694{
1566 if (mode < 0) 1695 if (mode < 0)
1567 MEMSET (tabs, 0, TermWin.ncol * sizeof (char)); 1696 memset (tabs, 0, ncol);
1568 else if (screen.cur.col < TermWin.ncol) 1697 else if (screen.cur.col < ncol)
1569 tabs[screen.cur.col] = (mode ? 1 : 0); 1698 tabs [screen.cur.col] = !!mode;
1570} 1699}
1571 1700
1572/* ------------------------------------------------------------------------- */ 1701/* ------------------------------------------------------------------------- */
1573/* 1702/*
1574 * Set reverse/normal video 1703 * Set reverse/normal video
1575 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1704 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1576 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1705 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1577 */ 1706 */
1578void 1707void
1579rxvt_term::scr_rvideo_mode (int mode) 1708rxvt_term::scr_rvideo_mode (bool on) noexcept
1580{ 1709{
1710 rvideo_mode = on;
1711
1712#ifndef NO_BELL
1713 on ^= rvideo_bell;
1714#endif
1715
1716 if (rvideo_state != on)
1717 {
1718 rvideo_state = on;
1719
1720#if OFF_FOCUS_FADING
1721 if (rs[Rs_fade])
1722 {
1723 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1724 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1725 }
1726 else
1727#endif
1728 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1729#ifdef HAVE_IMG
1730 if (bg_img == 0)
1731#endif
1732 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1733
1581 XGCValues gcvalue; 1734 XGCValues gcvalue;
1582
1583 if (rvideo != mode)
1584 {
1585 rvideo = mode;
1586 SWAP_IT (PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1587#if defined(XPM_BACKGROUND)
1588 if (bgPixmap.pixmap == None)
1589#endif
1590#if defined(TRANSPARENT)
1591 if (! (Options & Opt_transparent) || am_transparent == 0)
1592#endif
1593 XSetWindowBackground (display->display, TermWin.vt,
1594 PixColors[Color_bg]);
1595
1596 gcvalue.foreground = PixColors[Color_fg]; 1735 gcvalue.foreground = pix_colors[Color_fg];
1597 gcvalue.background = PixColors[Color_bg]; 1736 gcvalue.background = pix_colors[Color_bg];
1598 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground, 1737 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1599 &gcvalue); 1738
1600 scr_clear (); 1739 scr_clear ();
1601 scr_touch (true); 1740 scr_touch (true);
1602 } 1741 }
1603} 1742}
1604 1743
1605/* ------------------------------------------------------------------------- */ 1744/* ------------------------------------------------------------------------- */
1606/* 1745/*
1607 * Report current cursor position 1746 * Report current cursor position
1608 * XTERM_SEQ: Report position: ESC [ 6 n 1747 * XTERM_SEQ: Report position: ESC [ 6 n
1609 */ 1748 */
1610void 1749void ecb_cold
1611rxvt_term::scr_report_position () 1750rxvt_term::scr_report_position () noexcept
1612{ 1751{
1613 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1752 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1614} 1753}
1615 1754
1616/* ------------------------------------------------------------------------- * 1755/* ------------------------------------------------------------------------- *
… …
1618 * ------------------------------------------------------------------------- */ 1757 * ------------------------------------------------------------------------- */
1619 1758
1620/* 1759/*
1621 * Set font style 1760 * Set font style
1622 */ 1761 */
1623void 1762void ecb_cold
1624rxvt_term::set_font_style () 1763rxvt_term::set_font_style () noexcept
1625{ 1764{
1765#if 0
1626 switch (charsets[screen.charset]) 1766 switch (charsets [screen.charset])
1627 { 1767 {
1628 case '0': /* DEC Special Character & Line Drawing Set */ 1768 case '0': /* DEC Special Character & Line Drawing Set */
1629 break; 1769 break;
1630 case 'A': /* United Kingdom (UK) */ 1770 case 'A': /* United Kingdom (UK) */
1631 break; 1771 break;
… …
1638 case 'C': /* Finnish character set */ 1778 case 'C': /* Finnish character set */
1639 break; 1779 break;
1640 case 'K': /* German character set */ 1780 case 'K': /* German character set */
1641 break; 1781 break;
1642 } 1782 }
1783#endif
1643} 1784}
1644 1785
1645/* ------------------------------------------------------------------------- */ 1786/* ------------------------------------------------------------------------- */
1646/* 1787/*
1647 * Choose a font 1788 * Choose a font
1648 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1789 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1649 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1790 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1650 * XTERM_SEQ: Invoke G2 character set: ESC N 1791 * XTERM_SEQ: Invoke G2 character set: ESC N
1651 * XTERM_SEQ: Invoke G3 character set: ESC O 1792 * XTERM_SEQ: Invoke G3 character set: ESC O
1652 */ 1793 */
1653void 1794void ecb_cold
1654rxvt_term::scr_charset_choose (int set) 1795rxvt_term::scr_charset_choose (int set) noexcept
1655 { 1796{
1656 screen.charset = set; 1797 screen.charset = set;
1657 set_font_style (); 1798 set_font_style ();
1658 } 1799}
1659 1800
1660/* ------------------------------------------------------------------------- */ 1801/* ------------------------------------------------------------------------- */
1661/* 1802/*
1662 * Set a font 1803 * Set a font
1663 * XTERM_SEQ: Set G0 character set: ESC ( <C> 1804 * XTERM_SEQ: Set G0 character set: ESC ( <C>
… …
1665 * XTERM_SEQ: Set G2 character set: ESC * <C> 1806 * XTERM_SEQ: Set G2 character set: ESC * <C>
1666 * XTERM_SEQ: Set G3 character set: ESC + <C> 1807 * XTERM_SEQ: Set G3 character set: ESC + <C>
1667 * See set_font_style for possible values for <C> 1808 * See set_font_style for possible values for <C>
1668 */ 1809 */
1669void 1810void
1670rxvt_term::scr_charset_set (int set, unsigned int ch) 1811rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1671 { 1812{
1672 charsets[set] = (unsigned char)ch; 1813 charsets[set] = (unsigned char)ch;
1673 set_font_style (); 1814 set_font_style ();
1674 } 1815}
1675 1816
1676 1817
1677/* ------------------------------------------------------------------------- * 1818/* ------------------------------------------------------------------------- *
1678 * MAJOR SCREEN MANIPULATION * 1819 * MAJOR SCREEN MANIPULATION *
1679 * ------------------------------------------------------------------------- */ 1820 * ------------------------------------------------------------------------- */
1680 1821
1681/* 1822/*
1682 * refresh matching text. 1823 * refresh matching text.
1683 */ 1824 */
1684bool 1825bool ecb_cold
1685rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1826rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1686{ 1827{
1687 bool found = false; 1828 bool found = false;
1688 1829
1689 for (int i = 0; i < TermWin.nrow; i++) 1830 for (int i = 0; i < nrow; i++)
1690 { 1831 {
1691 int col = 0;
1692 rend_t *drp = drawn_rend [i]; 1832 rend_t *drp = drawn_buf[i].r;
1693 1833
1694 for (; col < TermWin.ncol; col++, drp++) 1834 for (int col = 0; col < ncol; col++, drp++)
1695 if ((*drp & mask) == value) 1835 if ((*drp & mask) == value)
1696 { 1836 {
1697 found = true; 1837 found = true;
1698 *drp = ~value; 1838 *drp = ~value;
1699 } 1839 }
… …
1709 PART_BEG = 0, 1849 PART_BEG = 0,
1710 PART_END, 1850 PART_END,
1711 RC_COUNT 1851 RC_COUNT
1712}; 1852};
1713 1853
1714void 1854void ecb_hot
1715rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1855rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1716{ 1856{
1717 int i; 1857 int i;
1718 row_col_t rc[RC_COUNT]; 1858 row_col_t rc[RC_COUNT];
1719 1859
1720 if (drawn_text == NULL) /* sanity check */ 1860 if (!drawn_buf) /* sanity check */
1721 return; 1861 return;
1722 1862
1723#ifdef DEBUG_STRICT 1863#ifndef NO_SLOW_LINK_SUPPORT
1724 x = max (x, (int)TermWin.int_bwidth); 1864 if (refresh_type == FAST_REFRESH && !display->is_local)
1725 x = min (x, (int)TermWin.width); 1865 {
1726 y = max (y, (int)TermWin.int_bwidth); 1866 y = 0;
1727 y = min (y, (int)TermWin.height); 1867 eheight = height;
1868 }
1728#endif 1869#endif
1729 1870
1730 /* round down */ 1871 /* round down */
1731 rc[PART_BEG].col = Pixel2Col (x); 1872 rc[PART_BEG].col = Pixel2Col (x);
1732 rc[PART_BEG].row = Pixel2Row (y); 1873 rc[PART_BEG].row = Pixel2Row (y);
1733 /* round up */ 1874 /* round up */
1734 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1); 1875 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1735 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1); 1876 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1736 1877
1737 /* sanity checks */ 1878 /* sanity checks */
1738 for (i = PART_BEG; i < RC_COUNT; i++) 1879 for (i = PART_BEG; i < RC_COUNT; i++)
1739 { 1880 {
1740 MIN_IT (rc[i].col, TermWin.ncol - 1); 1881 min_it (rc[i].col, ncol - 1);
1741 MIN_IT (rc[i].row, TermWin.nrow - 1); 1882 min_it (rc[i].row, nrow - 1);
1742 } 1883 }
1743
1744 D_SCREEN ((stderr, "rxvt_scr_expose (x:%d, y:%d, w:%d, h:%d) area (c:%d,r:%d)- (c:%d,r:%d)", x, y, width, height, rc[PART_BEG].col, rc[PART_BEG].row, rc[PART_END].col, rc[PART_END].row));
1745 1884
1746 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1885 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1747 fill_text (& (drawn_text[i][rc[PART_BEG].col]), 0, 1886 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1748 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1887
1888 num_scr_allow = 0;
1749 1889
1750 if (refresh) 1890 if (refresh)
1751 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1891 scr_refresh ();
1752} 1892}
1753 1893
1754/* ------------------------------------------------------------------------- */ 1894/* ------------------------------------------------------------------------- */
1755/* 1895/*
1756 * Refresh the entire screen 1896 * Refresh the entire screen
1757 */ 1897 */
1758void 1898void
1759rxvt_term::scr_touch (bool refresh) 1899rxvt_term::scr_touch (bool refresh) noexcept
1760{ 1900{
1761 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1901 scr_expose (0, 0, vt_width, vt_height, refresh);
1762} 1902}
1763 1903
1764/* ------------------------------------------------------------------------- */ 1904/* ------------------------------------------------------------------------- */
1765/* 1905/*
1766 * Move the display so that the line represented by scrollbar value Y is at 1906 * Move the display so that the line represented by scrollbar value Y is at
1767 * the top of the screen 1907 * the top of the screen
1768 */ 1908 */
1769int 1909void
1770rxvt_term::scr_move_to (int y, int len) 1910rxvt_term::scr_move_to (int y, int len) noexcept
1771{ 1911{
1772 long p = 0; 1912 // lerp (y, 0, len, top_row, nrow - 1)
1773 uint16_t oldviewstart; 1913 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1774
1775 oldviewstart = TermWin.view_start;
1776 if (y < len)
1777 {
1778 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1779 p -= (long) (TermWin.nrow - 1);
1780 p = max (p, 0);
1781 }
1782 TermWin.view_start = (uint16_t)min (p, TermWin.nscrolled);
1783 D_SCREEN ((stderr, "rxvt_scr_move_to (%d, %d) view_start:%d", y, len, TermWin.view_start));
1784
1785 return scr_changeview (oldviewstart);
1786} 1914}
1787 1915
1788/* ------------------------------------------------------------------------- */ 1916/* ------------------------------------------------------------------------- */
1789/* 1917/*
1790 * Page the screen up/down nlines 1918 * Page the screen up/down nlines
1791 * direction should be UP or DN 1919 * direction should be UP or DN
1792 */ 1920 */
1793int 1921bool
1794rxvt_term::scr_page (enum page_dirn direction, int nlines) 1922rxvt_term::scr_page (int nlines) noexcept
1795{ 1923{
1796 int n;
1797 uint16_t oldviewstart;
1798
1799 D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1800#ifdef DEBUG_STRICT
1801 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1802#endif
1803 oldviewstart = TermWin.view_start;
1804 if (direction == UP)
1805 {
1806 n = TermWin.view_start + nlines;
1807 TermWin.view_start = min (n, TermWin.nscrolled);
1808 }
1809 else
1810 {
1811 n = TermWin.view_start - nlines;
1812 TermWin.view_start = max (n, 0);
1813 }
1814 return scr_changeview (oldviewstart); 1924 return scr_changeview (view_start - nlines);
1815} 1925}
1816 1926
1817int 1927bool
1818rxvt_term::scr_changeview (uint16_t oldviewstart) 1928rxvt_term::scr_changeview (int new_view_start) noexcept
1819{ 1929{
1930 clamp_it (new_view_start, top_row, 0);
1931
1820 if (TermWin.view_start != oldviewstart) 1932 if (new_view_start == view_start)
1821 { 1933 return false;
1934
1935 num_scr += new_view_start - view_start;
1936 view_start = new_view_start;
1822 want_refresh = 1; 1937 want_refresh = 1;
1823 num_scr -= (TermWin.view_start - oldviewstart);
1824 }
1825 return (int) (TermWin.view_start - oldviewstart);
1826}
1827 1938
1828/* ------------------------------------------------------------------------- */ 1939 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1829void 1940
1830rxvt_term::scr_bell () 1941 return true;
1831{ 1942}
1943
1832#ifndef NO_BELL 1944#ifndef NO_BELL
1945void
1946rxvt_term::bell_cb (ev::timer &w, int revents)
1947{
1948 rvideo_bell = false;
1949 scr_rvideo_mode (rvideo_mode);
1950 refresh_check ();
1951}
1952#endif
1953
1954/* ------------------------------------------------------------------------- */
1955void
1956rxvt_term::scr_bell () noexcept
1957{
1958#ifndef NO_BELL
1959
1833# ifndef NO_MAPALERT 1960# ifndef NO_MAPALERT
1834# ifdef MAPALERT_OPTION 1961# ifdef MAPALERT_OPTION
1835 if (Options & Opt_mapAlert) 1962 if (option (Opt_mapAlert))
1836# endif 1963# endif
1837 XMapWindow (display->display, TermWin.parent[0]); 1964 XMapWindow (dpy, parent);
1838# endif 1965# endif
1966
1967# if ENABLE_FRILLS
1968 if (option (Opt_urgentOnBell))
1969 set_urgency (1);
1970# endif
1971
1839 if (Options & Opt_visualBell) 1972 if (option (Opt_visualBell))
1840 { 1973 {
1841 scr_rvideo_mode (!rvideo); /* refresh also done */ 1974 rvideo_bell = true;
1842 scr_rvideo_mode (!rvideo); /* refresh also done */ 1975 scr_rvideo_mode (rvideo_mode);
1976 flush ();
1977
1978 bell_ev.start (VISUAL_BELL_DURATION);
1843 } 1979 }
1844 else 1980 else
1845 XBell (display->display, 0); 1981 XBell (dpy, 0);
1982 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1846#endif 1983#endif
1847} 1984}
1848 1985
1849/* ------------------------------------------------------------------------- */ 1986/* ------------------------------------------------------------------------- */
1850/* ARGSUSED */ 1987void ecb_cold
1851void
1852rxvt_term::scr_printscreen (int fullhist) 1988rxvt_term::scr_printscreen (int fullhist) noexcept
1853{ 1989{
1854#ifdef PRINTPIPE 1990#ifdef PRINTPIPE
1855 int i, r1, nrows, row_offset; 1991 int nrows, row_start;
1856 text_t *t; 1992 FILE *fd = popen_printer ();
1857 FILE *fd;
1858 1993
1859 if ((fd = popen_printer ()) == NULL) 1994 if (!fd)
1860 return; 1995 return;
1861 nrows = TermWin.nrow; 1996
1862 row_offset = TermWin.saveLines;
1863 if (!fullhist) 1997 if (fullhist)
1864 row_offset -= TermWin.view_start; 1998 {
1999 nrows = nrow - top_row;
2000 row_start = top_row;
2001 }
1865 else 2002 else
1866 { 2003 {
1867 nrows += TermWin.nscrolled; 2004 nrows = nrow;
1868 row_offset -= TermWin.nscrolled; 2005 row_start = view_start;
1869 }
1870
1871 for (r1 = 0; r1 < nrows; r1++)
1872 { 2006 }
1873 t = screen.text[r1 + row_offset]; 2007
1874 for (i = TermWin.ncol - 1; i >= 0; i--) 2008 wctomb (0, 0);
1875 if (!isspace (t[i])) 2009
1876 break; 2010 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1877 fprintf (fd, "%.*s\n", (i + 1), t);
1878 } 2011 {
2012 text_t *tp = ROW(r1).t;
2013 int len = ROW(r1).l;
2014
2015 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2016 {
2017 char mb[MB_LEN_MAX];
2018 text_t t = *tp++;
2019 if (t == NOCHAR)
2020 continue;
2021
2022 len = wctomb (mb, t);
2023
2024 if (len <= 0)
2025 {
2026 mb[0] = ' ';
2027 len = 1;
2028 }
2029
2030 fwrite (mb, 1, len, fd);
2031 }
2032
2033 fputc ('\n', fd);
2034 }
2035
1879 pclose_printer (fd); 2036 pclose_printer (fd);
1880#endif 2037#endif
1881} 2038}
1882 2039
1883/* ------------------------------------------------------------------------- */ 2040/* ------------------------------------------------------------------------- */
1884/* 2041/*
1885 * Refresh the screen 2042 * Refresh the screen
1886 * drawn_text/drawn_rend contain the screen information before the update. 2043 * drawn_text/drawn_rend contain the screen information before the update.
1887 * screen.text/screen.rend contain what the screen will change to. 2044 * screen.text/screen.rend contain what the screen will change to.
1888 */ 2045 */
1889 2046void ecb_hot
1890#define FONT_WIDTH(X, Y) \ 2047rxvt_term::scr_refresh () noexcept
1891 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
1892#define FONT_RBEAR(X, Y) \
1893 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
1894#define FONT_LBEAR(X, Y) \
1895 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
1896#define IS_FONT_CHAR(X, Y) \
1897 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1898
1899void
1900rxvt_term::scr_refresh (unsigned char refresh_type)
1901{ 2048{
1902 unsigned char clearfirst, /* first character writes before cell */
1903 clearlast, /* last character writes beyond cell */
1904 must_clear, /* use draw_string not draw_image_string */
1905 rvid, /* reverse video this position */
1906 showcursor; /* show the cursor */
1907 int16_t col, row, /* column/row we're processing */ 2049 int16_t col, row, /* column/row we're processing */
1908 ocrow; /* old cursor row */ 2050 ocrow; /* old cursor row */
1909 int i, /* tmp */ 2051 int i; /* tmp */
1910 row_offset; /* basic offset in screen structure */ 2052 rend_t ccol1, /* Cursor colour */
1911#ifndef NO_CURSORCOLOR 2053 ccol2; /* Cursor colour2 */
1912 rend_t cc1; /* store colours at cursor position (s) */ 2054 rend_t cur_rend;
1913#endif 2055 int cur_col;
1914 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2056 int cursorwidth;
1915 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1916 2057
2058 want_refresh = 0; /* screen is current */
2059
1917 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2060 if (refresh_type == NO_REFRESH || !mapped)
1918 return; 2061 return;
1919 2062
1920 /* 2063 /*
1921 * A: set up vars 2064 * A: set up vars
1922 */ 2065 */
1923 clearfirst = clearlast = must_clear = 0;
1924
1925 refresh_count = 0; 2066 refresh_count = 0;
1926 2067
1927 row_offset = TermWin.saveLines - TermWin.view_start; 2068 unsigned int old_screen_flags = screen.flags;
1928 2069 bool have_bg = 0;
1929 if ((refresh_type & REFRESH_BOUNDS)) 2070#ifdef HAVE_IMG
1930 { 2071 have_bg = bg_img != 0;
1931 clearfirst = clearlast = 1;
1932 refresh_type &= ~REFRESH_BOUNDS;
1933 }
1934
1935#ifdef XPM_BACKGROUND
1936 must_clear |= (bgPixmap.pixmap != None);
1937#endif
1938#ifdef TRANSPARENT
1939 must_clear |= ((Options & Opt_transparent) && am_transparent);
1940#endif 2072#endif
1941 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2073 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1942 2074
1943 /* 2075 /*
1944 * B: reverse any characters which are selected 2076 * B: reverse any characters which are selected
1945 */ 2077 */
1946 scr_reverse_selection (); 2078 scr_reverse_selection ();
1947 2079
2080 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2081#if ENABLE_OVERLAY
2082 scr_swap_overlay ();
2083#endif
2084
2085 bool showcursor = screen.flags & Screen_VisibleCursor;
2086
1948 /* 2087 /*
1949 * C: set the cursor character (s) 2088 * C: set the cursor character (s)
1950 */ 2089 */
1951 { 2090 {
1952 unsigned char setoldcursor;
1953 rend_t ccol1, /* Cursor colour */
1954 ccol2; /* Cursor colour2 */
1955
1956 showcursor = (screen.flags & Screen_VisibleCursor);
1957#ifdef CURSOR_BLINK 2091#ifdef CURSOR_BLINK
1958 if (hidden_cursor) 2092 if (hidden_cursor)
1959 showcursor = 0; 2093 showcursor = 0;
1960#endif 2094#endif
1961 2095
1962 if (showcursor) 2096 if (showcursor)
1963 { 2097 {
1964 srp = & (screen.rend[screen.cur.row + TermWin.saveLines] 2098 int col = screen.cur.col;
1965 [screen.cur.col]);
1966 2099
1967 if (showcursor && TermWin.focus) 2100 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2101 col--;
2102
2103 cursorwidth = 1;
2104 while (col + cursorwidth < ncol
2105 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2106 cursorwidth++;
2107
2108 cur_rend = ROW(screen.cur.row).r[col];
2109 cur_col = col;
2110
2111#ifndef NO_CURSORCOLOR
2112 if (ISSET_PIXCOLOR (Color_cursor))
2113 ccol1 = Color_cursor;
2114 else
2115#endif
2116#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2117 ccol1 = fgcolor_of (rstyle);
2118#else
2119 ccol1 = Color_fg;
2120#endif
2121
2122#ifndef NO_CURSORCOLOR
2123 if (ISSET_PIXCOLOR (Color_cursor2))
2124 ccol2 = Color_cursor2;
2125 else
2126#endif
2127#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2128 ccol2 = bgcolor_of (rstyle);
2129#else
2130 ccol2 = Color_bg;
2131#endif
2132
2133 if (focus && cursor_type == 0)
1968 { 2134 {
2135 rend_t rend = cur_rend;
2136
1969 *srp ^= RS_RVid; 2137 rend ^= RS_RVid;
1970#ifndef NO_CURSORCOLOR
1971 cc1 = *srp & (RS_fgMask | RS_bgMask);
1972 if (ISSET_PIXCOLOR (Color_cursor))
1973 ccol1 = Color_cursor;
1974 else
1975#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1976 ccol1 = GET_FGCOLOR (rstyle);
1977#else
1978 ccol1 = Color_fg;
1979#endif
1980 if (ISSET_PIXCOLOR (Color_cursor2))
1981 ccol2 = Color_cursor2;
1982 else
1983#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1984 ccol2 = GET_BGCOLOR (rstyle);
1985#else
1986 ccol2 = Color_bg;
1987#endif
1988 *srp = SET_FGCOLOR (*srp, ccol1); 2138 rend = SET_FGCOLOR (rend, ccol1);
1989 *srp = SET_BGCOLOR (*srp, ccol2); 2139 rend = SET_BGCOLOR (rend, ccol2);
1990#endif 2140
2141 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1991 } 2142 }
1992 } 2143 }
1993 2144
1994 /* make sure no outline cursor is left around */ 2145 /* make sure no outline cursor is left around */
1995 setoldcursor = 0; 2146 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
1996 if (ocrow != -1) 2147 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2148
2149 // save the current cursor coordinates if the cursor is visible
2150 // and either the window is unfocused or the cursor style is
2151 // underline or vertical bar, so as to clear the outline cursor in
2152 // the next refresh if the cursor moves or becomes invisible
2153 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
1997 { 2154 {
1998 if (screen.cur.row + TermWin.view_start != ocrow 2155 oldcursor.row = screen.cur.row - view_start;
1999 || screen.cur.col != oldcursor.col) 2156 oldcursor.col = screen.cur.col;
2000 {
2001 if (ocrow < TermWin.nrow
2002 && oldcursor.col < TermWin.ncol)
2003 {
2004 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2005 }
2006 if (TermWin.focus || !showcursor)
2007 oldcursor.row = -1;
2008 else
2009 setoldcursor = 1;
2010 }
2011 } 2157 }
2012 else if (!TermWin.focus) 2158 else
2013 setoldcursor = 1;
2014 if (setoldcursor)
2015 {
2016 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2017 oldcursor.row = -1; 2159 oldcursor.row = -1;
2018 else
2019 {
2020 oldcursor.row = screen.cur.row + TermWin.view_start;
2021 oldcursor.col = screen.cur.col;
2022 }
2023 }
2024 } 2160 }
2025 2161
2026#ifndef NO_SLOW_LINK_SUPPORT 2162#ifndef NO_SLOW_LINK_SUPPORT
2027 /* 2163 /*
2028 * D: CopyArea pass - very useful for slower links 2164 * D: CopyArea pass - very useful for slower links
2029 * This has been deliberately kept simple. 2165 * This has been deliberately kept simple.
2030 */ 2166 */
2031 i = num_scr; 2167 if (!display->is_local
2032 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2168 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2033 && abs (i) < TermWin.nrow && !must_clear) 2169 && abs (num_scr) < nrow && !have_bg)
2034 { 2170 {
2035 int16_t nits; 2171 int16_t nits;
2036 int j; 2172 int i = num_scr;
2037 rend_t *drp2; 2173 int j;
2038 text_t *dtp2;
2039 int len, wlen; 2174 int len, wlen;
2040 2175
2041 j = TermWin.nrow; 2176 j = nrow;
2042 wlen = len = -1; 2177 wlen = len = -1;
2043 row = i > 0 ? 0 : j - 1; 2178 row = i > 0 ? 0 : j - 1;
2179
2044 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2180 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2045 { 2181 {
2046 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2182 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2047 { 2183 {
2048 stp = screen.text[row + row_offset]; 2184 line_t s = ROW(view_start + row);
2049 srp = screen.rend[row + row_offset];
2050 dtp = drawn_text[row]; 2185 line_t d = drawn_buf[row];
2051 dtp2 = drawn_text[row + i]; 2186 line_t d2 = drawn_buf[row + i];
2052 drp = drawn_rend[row];
2053 drp2 = drawn_rend[row + i];
2054 2187
2055 for (nits = 0, col = TermWin.ncol; col--; ) 2188 for (nits = 0, col = ncol; col--; )
2056 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2189 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2057 nits--; 2190 nits--;
2058 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2191 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2059 nits++; 2192 nits++;
2060 2193
2061 if (nits > 8) /* XXX: arbitrary choice */ 2194 if (nits > 8) /* XXX: arbitrary choice */
2062 { 2195 {
2063 for (col = TermWin.ncol; col--; ) 2196 for (col = ncol; col--; )
2064 { 2197 {
2065 *dtp++ = *dtp2++; 2198 *d.t++ = *d2.t++;
2066 *drp++ = *drp2++; 2199 *d.r++ = *d2.r++;
2067 } 2200 }
2068 2201
2069 if (len == -1) 2202 if (len == -1)
2070 len = row; 2203 len = row;
2071 2204
2072 wlen = row; 2205 wlen = row;
2073 continue; 2206 continue;
2074 } 2207 }
2075 } 2208 }
2076 2209
2077 if (len != -1) 2210 if (len >= 0)
2078 { 2211 {
2079 /* also comes here at end if needed because of >= above */ 2212 /* also comes here at end if needed because of >= above */
2080 if (wlen < len) 2213 if (wlen < len)
2081 SWAP_IT (wlen, len, int); 2214 ::swap (wlen, len);
2082 2215
2083 D_SCREEN ((stderr, "rxvt_scr_refresh (): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2216 XGCValues gcv;
2084 XCopyArea (display->display, TermWin.vt, TermWin.vt, 2217
2218 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2219 XCopyArea (dpy, vt, vt,
2085 TermWin.gc, 0, Row2Pixel (len + i), 2220 gc, 0, Row2Pixel (len + i),
2086 (unsigned int)TermWin_TotalWidth (), 2221 (unsigned int)this->width,
2087 (unsigned int)Height2Pixel (wlen - len + 1), 2222 (unsigned int)Height2Pixel (wlen - len + 1),
2088 0, Row2Pixel (len)); 2223 0, Row2Pixel (len));
2224 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2225
2089 len = -1; 2226 len = -1;
2090 } 2227 }
2091 } 2228 }
2092 } 2229 }
2093#endif 2230#endif
2094 2231
2095 /* 2232 /*
2096 * E: main pass across every character 2233 * E: main pass across every character
2097 */ 2234 */
2098 for (row = 0; row < TermWin.nrow; row++) 2235 for (row = 0; row < nrow; row++)
2099 { 2236 {
2100 stp = screen.text[row + row_offset]; 2237 text_t *stp = ROW(view_start + row).t;
2101 srp = screen.rend[row + row_offset]; 2238 rend_t *srp = ROW(view_start + row).r;
2102 dtp = drawn_text[row]; 2239 text_t *dtp = drawn_buf[row].t;
2103 drp = drawn_rend[row]; 2240 rend_t *drp = drawn_buf[row].r;
2104 2241
2105 /* 2242 /*
2106 * E2: OK, now the real pass 2243 * E2: OK, now the real pass
2107 */ 2244 */
2108 int ypixel = (int)Row2Pixel (row); 2245 int ypixel = (int)Row2Pixel (row);
2109 2246
2110 for (col = 0; col < TermWin.ncol; col++) 2247 for (col = 0; col < ncol; col++)
2111 { 2248 {
2112 /* compare new text with old - if exactly the same then continue */ 2249 /* compare new text with old - if exactly the same then continue */
2113 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2250 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2114 && (srp[col] == drp[col] /* Either rendition the same or */
2115 || (stp[col] == ' ' /* space w/ no background change */
2116 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2117 continue; 2251 continue;
2118 2252
2119 // redraw one or more characters 2253 // redraw one or more characters
2120 2254
2121 // seek to the beginning if wide characters 2255 // seek to the beginning of wide characters
2122 while (stp[col] == NOCHAR && col > 0) 2256 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2123 --col; 2257 --col;
2124 2258
2125 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2259 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2126 text_t *text = stp + col; 2260 text_t *text = stp + col;
2127 int count = 1; 2261 int count = 1;
2128 2262
2129 dtp[col] = stp[col]; 2263 dtp[col] = stp[col];
2130 drp[col] = rend; 2264 drp[col] = rend;
2131 2265
2132 int xpixel = Col2Pixel (col); 2266 int xpixel = Col2Pixel (col);
2133 2267
2134 // this loop looks very messy, it can probably be optimized
2135 // and cleaned a bit by you?
2136 for (i = 0; ++col < TermWin.ncol; ) 2268 for (i = 0; ++col < ncol; )
2137 { 2269 {
2138 if (stp[col] == NOCHAR) 2270 if (stp[col] == NOCHAR)
2139 { 2271 {
2140 dtp[col] = stp[col]; 2272 dtp[col] = stp[col];
2141 drp[col] = rend; 2273 drp[col] = srp[col];
2274
2142 count++; 2275 count++;
2143
2144 if (i) // only possible skip if char unchanged
2145 i++; 2276 i++;
2146 2277
2147 continue; 2278 continue;
2148 } 2279 }
2149 2280
2150 if (rend != srp[col]) 2281 if (!RS_SAME (rend, srp[col]))
2151 break; 2282 break;
2152 2283
2153 count++; 2284 count++;
2154 2285
2155 if (stp[col] != dtp[col] 2286 if (stp[col] != dtp[col]
2156 || srp[col] != drp[col]) 2287 || !RS_SAME (srp[col], drp[col]))
2157 { 2288 {
2158 if (must_clear && (i++ > (count / 2))) 2289 if (have_bg && (i++ > count / 2))
2159 break; 2290 break;
2160 2291
2161 dtp[col] = stp[col]; 2292 dtp[col] = stp[col];
2162 drp[col] = rend; 2293 drp[col] = rend;
2163 i = 0; 2294 i = 0;
2164 } 2295 }
2165 else if (must_clear || (stp[col] != ' ' && ++i >= 32)) 2296 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2166 break; 2297 break;
2167 } 2298 }
2168 2299
2169 col--; /* went one too far. move back */ 2300 col--; /* went one too far. move back */
2170 count -= i; /* dump any matching trailing chars */ 2301 count -= i; /* dump any matching trailing chars */
2302
2303 // sometimes we optimize away the trailing NOCHAR's, add them back
2304 while (ecb_unlikely (i && text[count] == NOCHAR))
2305 count++, i--;
2171 2306
2172 /* 2307 /*
2173 * Determine the attributes for the string 2308 * Determine the attributes for the string
2174 */ 2309 */
2175 int fid = GET_FONT (rend);
2176 int fore = GET_FGCOLOR (rend); // desired foreground 2310 int fore = fgcolor_of (rend); // desired foreground
2177 int back = GET_BGCOLOR (rend); // desired background 2311 int back = bgcolor_of (rend); // desired background
2178 2312
2179 rend = GET_ATTR (rend); 2313 // only do special processing if any attributes are set, which is unlikely
2180 2314 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2181 rvid = !!(rend & RS_RVid); 2315 {
2316 bool invert = rend & RS_RVid;
2182 2317
2183#ifndef NO_BOLD_UNDERLINE_REVERSE 2318#ifndef NO_BOLD_UNDERLINE_REVERSE
2184 if (rend & RS_Bold && fore == Color_fg) 2319 if (rend & RS_Bold && fore == Color_fg)
2185 { 2320 {
2186 if (ISSET_PIXCOLOR (Color_BD)) 2321 if (ISSET_PIXCOLOR (Color_BD))
2187 fore = Color_BD; 2322 fore = Color_BD;
2323# if !ENABLE_STYLES
2188 else 2324 else
2189 rvid = !rvid; 2325 invert = !invert;
2326# endif
2327 }
2328
2329 if (rend & RS_Italic && fore == Color_fg)
2330 {
2331 if (ISSET_PIXCOLOR (Color_IT))
2332 fore = Color_IT;
2333# if !ENABLE_STYLES
2334 else
2335 invert = !invert;
2336# endif
2337 }
2338
2339 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2340 fore = Color_UL;
2341#endif
2342
2343#ifdef OPTION_HC
2344 if (rend & RS_Sel)
2345 {
2346 /* invert the column if no highlightColor is set or it is the
2347 * current cursor column */
2348 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2349 && ISSET_PIXCOLOR (Color_HC))
2350 {
2351 if (ISSET_PIXCOLOR (Color_HTC))
2352 fore = Color_HTC;
2353 // if invert is 0 reverse video is set so we use bg color as fg color
2354 else if (!invert)
2355 fore = back;
2356
2357 back = Color_HC;
2358 invert = 0;
2359 }
2360 }
2361#endif
2362
2363 if (invert)
2364 {
2365 ::swap (fore, back);
2366
2367#ifndef NO_BOLD_UNDERLINE_REVERSE
2368 if (fore == back)
2369 {
2370 fore = Color_bg;
2371 back = Color_fg;
2372 }
2373#endif
2374 }
2375
2376#ifdef TEXT_BLINK
2377 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2378 {
2379 if (!text_blink_ev.is_active ())
2380 {
2381 text_blink_ev.again ();
2382 hidden_text = 0;
2383 }
2384 else if (hidden_text)
2385 fore = back;
2386 }
2387#endif
2388
2389#if ENABLE_STYLES
2390 // "careful" (too wide) character handling
2391
2392 // include previous careful character(s) if possible, looks nicer (best effort...)
2393 while (text > stp
2394 && srp[text - stp - 1] & RS_Careful
2395 && RS_SAME (rend, srp[text - stp - 1]))
2396 text--, count++, xpixel -= fwidth;
2397
2398 // force redraw after "careful" characters to avoid pixel droppings
2399 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2400 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2401
2402 // force redraw before "careful" characters to avoid pixel droppings
2403 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2404 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2405#endif
2190 } 2406 }
2191
2192 if (rend & RS_Uline)
2193 if (ISSET_PIXCOLOR (Color_UL))
2194 fore = Color_UL;
2195#endif
2196
2197 if (rvid)
2198 {
2199 SWAP_IT (fore, back, int);
2200
2201#ifndef NO_BOLD_UNDERLINE_REVERSE
2202 if (ISSET_PIXCOLOR (Color_RV)
2203# ifndef NO_CURSORCOLOR
2204 && !ISSET_PIXCOLOR (Color_cursor)
2205# endif
2206 )
2207 back = Color_RV;
2208#endif
2209 }
2210
2211#ifdef TEXT_BLINK
2212 if (rend & RS_Blink && back == Color_bg)
2213 {
2214 if (!text_blink_ev.active)
2215 {
2216 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2217 hidden_text = 0;
2218 }
2219 else if (hidden_text)
2220 fore = back;
2221 }
2222#endif
2223 2407
2224 /* 2408 /*
2225 * Actually do the drawing of the string here 2409 * Actually do the drawing of the string here
2226 */ 2410 */
2227 rxvt_font *font = (*TermWin.fontset)[fid]; 2411 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2228 2412
2229 if (back == fore) 2413 if (ecb_likely (have_bg && back == Color_bg))
2230 font->clear_rect (*TermWin.drawable, xpixel, ypixel,
2231 TermWin.fwidth * count, TermWin.fheight,
2232 back);
2233 else if (back == Color_bg)
2234 { 2414 {
2235 if (must_clear) 2415 // this is very ugly, maybe push it into ->draw?
2236 {
2237 CLEAR_CHARS (xpixel, ypixel, count);
2238 2416
2239 for (i = 0; i < count; i++) /* don't draw empty strings */ 2417 for (i = 0; i < count; i++) /* don't draw empty strings */
2240 if (text[i] != ' ') 2418 if (text[i] != ' ')
2241 { 2419 {
2242 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1); 2420 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2243 break; 2421 goto did_clear;
2244 }
2245 } 2422 }
2246 else 2423
2247 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg); 2424 CLEAR_CHARS (xpixel, ypixel, count);
2425 did_clear: ;
2248 } 2426 }
2249 else 2427 else
2250 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back); 2428 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2251 2429
2252 if ((rend & RS_Uline) && (font->descent > 1)) 2430 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2253 XDrawLine (display->display, drawBuffer, TermWin.gc, 2431 {
2432 if (showcursor && focus && row == screen.cur.row
2433 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2434 XSetForeground (dpy, gc, pix_colors[ccol1]);
2435 else
2436#if ENABLE_FRILLS
2437 if (ISSET_PIXCOLOR (Color_underline))
2438 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2439 else
2440#endif
2441 XSetForeground (dpy, gc, pix_colors[fore]);
2442
2443 XDrawLine (dpy, vt, gc,
2254 xpixel, ypixel + font->ascent + 1, 2444 xpixel, ypixel + font->ascent + 1,
2255 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2445 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2446 }
2256 } /* for (col....) */ 2447 } /* for (col....) */
2257 } /* for (row....) */ 2448 } /* for (row....) */
2258 2449
2259 /* 2450 /*
2260 * G: cleanup cursor and display outline cursor if necessary 2451 * G: cleanup cursor and display outline cursor if necessary
2261 */ 2452 */
2262 if (showcursor) 2453 if (showcursor)
2263 { 2454 {
2264 if (TermWin.focus) 2455 if (focus)
2456 {
2457 if (cursor_type == 0)
2458 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2459 else if (oldcursor.row >= 0)
2265 { 2460 {
2266 srp = & (screen.rend[screen.cur.row + TermWin.saveLines] 2461 XSetForeground (dpy, gc, pix_colors[ccol1]);
2267 [screen.cur.col]); 2462 if (cursor_type == 1)
2268 *srp ^= RS_RVid; 2463 XFillRectangle (dpy, vt, gc,
2269#ifndef NO_CURSORCOLOR 2464 Col2Pixel (cur_col),
2270 *srp = (*srp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2465 Row2Pixel (oldcursor.row + 1) - 2,
2271#endif 2466 Width2Pixel (1),
2467 2);
2468 else
2469 XFillRectangle (dpy, vt, gc,
2470 Col2Pixel (cur_col),
2471 Row2Pixel (oldcursor.row),
2472 2,
2473 Height2Pixel (1));
2474 }
2272 } 2475 }
2273 else if (oldcursor.row >= 0) 2476 else if (oldcursor.row >= 0)
2274 { 2477 {
2275#ifndef NO_CURSORCOLOR 2478 XSetForeground (dpy, gc, pix_colors[ccol1]);
2276 if (ISSET_PIXCOLOR (Color_cursor))
2277 XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]);
2278#endif
2279 int cursorwidth = 1;
2280 while (oldcursor.col + cursorwidth < TermWin.ncol
2281 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2282 cursorwidth++;
2283 2479
2284 XDrawRectangle (display->display, drawBuffer, TermWin.gc, 2480 XDrawRectangle (dpy, vt, gc,
2285 Col2Pixel (oldcursor.col), 2481 Col2Pixel (cur_col),
2286 Row2Pixel (oldcursor.row), 2482 Row2Pixel (oldcursor.row),
2287 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2483 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2288 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1)); 2484 (unsigned int) (Height2Pixel (1) - 1));
2289 } 2485 }
2290 } 2486 }
2291 2487
2292 /* 2488 /*
2293 * H: cleanup selection 2489 * H: cleanup selection
2294 */ 2490 */
2491#if ENABLE_OVERLAY
2492 scr_swap_overlay ();
2493#endif
2494 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2495
2295 scr_reverse_selection (); 2496 scr_reverse_selection ();
2296 2497
2297 /* 2498 screen.flags = old_screen_flags;
2298 * I: other general cleanup
2299 */
2300 if (clearfirst && TermWin.int_bwidth)
2301 /*
2302 * clear the whole screen height, note that width == 0 is treated
2303 * specially by XClearArea
2304 */
2305 XClearArea (display->display, TermWin.vt, 0, 0,
2306 (unsigned int)TermWin.int_bwidth,
2307 (unsigned int)TermWin_TotalHeight (), False);
2308
2309 if (clearlast && TermWin.int_bwidth)
2310 /*
2311 * clear the whole screen height, note that width == 0 is treated
2312 * specially by XClearArea
2313 */
2314 XClearArea (display->display, TermWin.vt,
2315 TermWin.width + TermWin.int_bwidth, 0,
2316 (unsigned int)TermWin.int_bwidth,
2317 (unsigned int)TermWin_TotalHeight (), False);
2318
2319 if (refresh_type & SMOOTH_REFRESH)
2320 XSync (display->display, False);
2321
2322 num_scr = 0; 2499 num_scr = 0;
2323 num_scr_allow = 1; 2500 num_scr_allow = 1;
2324 want_refresh = 0; /* screen is current */
2325} 2501}
2326 2502
2327void 2503void ecb_cold
2328rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp) 2504rxvt_term::scr_remap_chars (line_t &l) noexcept
2329{ 2505{
2330 if (!rp || !tp) 2506 if (!l.valid ())
2331 return; 2507 return;
2332 2508
2333 for (int i = TermWin.ncol; i; i--, rp++, tp++) 2509 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2334 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
2335}
2336 2510
2337void 2511 for (int i = ncol; i--; )
2512 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2513}
2514
2515void ecb_cold
2338rxvt_term::scr_remap_chars () 2516rxvt_term::scr_remap_chars () noexcept
2339{ 2517{
2340 for (int i = TermWin.nrow + TermWin.saveLines; i--; ) 2518 for (int i = total_rows; i--; )
2341 scr_remap_chars (screen.text[i], screen.rend[i]); 2519 scr_remap_chars (row_buf [i]);
2342 2520
2343 for (int i = TermWin.nrow; i--; ) 2521 for (int i = nrow; i--; )
2344 {
2345 scr_remap_chars (drawn_text[i], drawn_rend[i]);
2346 scr_remap_chars (swap.text[i], swap.rend[i]);
2347 } 2522 {
2523 scr_remap_chars (drawn_buf [i]);
2524 scr_remap_chars (swap_buf [i]);
2525 }
2348} 2526}
2349 2527
2528void ecb_cold
2529rxvt_term::scr_recolor (bool refresh) noexcept
2530{
2531 bool transparent = false;
2532
2533#ifdef HAVE_IMG
2534 if (bg_img != 0)
2535 {
2536# if ENABLE_TRANSPARENCY
2537 if (bg_flags & BG_IS_TRANSPARENT)
2538 {
2539 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2540 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2541
2542 transparent = true;
2543 }
2544 else
2545# endif
2546 {
2547 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2548 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2549 }
2550 }
2551 else
2552#endif
2553 {
2554 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2555 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2556 }
2557
2558 XClearWindow (dpy, parent);
2559
2560 if (scrollBar.state && scrollBar.win)
2561 {
2562 if (transparent)
2563 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2564 else
2565 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2566 scrollBar.state = SB_STATE_IDLE;
2567 scrollBar.show (0);
2568 }
2569
2570 if (refresh)
2571 {
2572 scr_clear ();
2573 scr_touch (true);
2574 }
2575 want_refresh = 1;
2576}
2577
2350/* ------------------------------------------------------------------------- */ 2578/* ------------------------------------------------------------------------- */
2351void 2579void
2352rxvt_term::scr_clear (bool really) 2580rxvt_term::scr_clear (bool really) noexcept
2353{ 2581{
2354 if (!TermWin.mapped) 2582 if (!mapped)
2355 return; 2583 return;
2356 2584
2357 num_scr_allow = 0; 2585 num_scr_allow = 0;
2358 want_refresh = 1; 2586 want_refresh = 1;
2359 2587
2360#ifdef TRANSPARENT 2588 if (really)
2361 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2589 XClearWindow (dpy, vt);
2590}
2591
2592void
2593rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2594{
2595 int view_end = view_start + nrow;
2596 int row, col;
2597
2598 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2599 {
2600 text_t *stp = ROW(row).t;
2601 rend_t *srp = ROW(row).r;
2602
2603 for (col = beg_col; col < end_col; col++)
2604 srp[col] ^= rstyle1;
2605
2606 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2607 srp[col] ^= rstyle2;
2608
2609 if (++col < end_col)
2610 srp[col] ^= rstyle2;
2362 { 2611 }
2363 int i; 2612}
2364 2613
2365 if (! (Options & Opt_transparent_all)) 2614void
2615rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2616{
2617 int view_end = view_start + nrow;
2618 int row, col;
2619
2620 if (beg_row >= view_start)
2621 {
2622 col = beg_col;
2623 row = beg_row;
2624 }
2625 else
2626 {
2366 i = 0; 2627 col = 0;
2628 row = view_start;
2629 }
2630
2631 for (; row < min (end_row, view_end); row++, col = 0)
2632 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2633 srp[col] ^= rstyle;
2634
2635 if (row == end_row)
2636 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2637 srp[col] ^= rstyle;
2638}
2639
2640/* ------------------------------------------------------------------------- */
2641void ecb_hot
2642rxvt_term::scr_reverse_selection () noexcept
2643{
2644 if (selection.op
2645 && current_screen == selection.screen
2646 && selection.end.row >= view_start)
2647 {
2648#if !ENABLE_MINIMAL
2649 if (selection.rect)
2650 scr_xor_rect (selection.beg.row, selection.beg.col,
2651 selection.end.row, selection.end.col,
2652 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2367 else 2653 else
2368 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2369
2370 while (i--)
2371 if (TermWin.parent[i] != None)
2372 XClearWindow (display->display, TermWin.parent[i]);
2373 }
2374#endif 2654#endif
2375 2655 scr_xor_span (selection.beg.row, selection.beg.col,
2376 if (really) 2656 selection.end.row, selection.end.col,
2377 XClearWindow (display->display, TermWin.vt); 2657 RS_Sel | RS_RVid);
2378}
2379
2380/* ------------------------------------------------------------------------- */
2381void
2382rxvt_term::scr_reverse_selection ()
2383{
2384 if (selection.op && current_screen == selection.screen)
2385 {
2386 int end_row = TermWin.saveLines - TermWin.view_start;
2387 int i = selection.beg.row + TermWin.saveLines;
2388 int col, row = selection.end.row + TermWin.saveLines;
2389 rend_t *srp;
2390
2391 if (i >= end_row)
2392 col = selection.beg.col;
2393 else
2394 {
2395 col = 0;
2396 i = end_row;
2397 }
2398
2399 end_row += TermWin.nrow;
2400 for (; i < row && i < end_row; i++, col = 0)
2401 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2402 srp[col] ^= RS_RVid;
2403
2404 if (i == row && i < end_row)
2405 for (srp = screen.rend[i]; col < selection.end.col; col++)
2406 srp[col] ^= RS_RVid;
2407 } 2658 }
2408} 2659}
2409 2660
2410/* ------------------------------------------------------------------------- */ 2661/* ------------------------------------------------------------------------- */
2411/* 2662/*
2412 * Dump the whole scrollback and screen to the passed filedescriptor. The 2663 * Dump the whole scrollback and screen to the passed filedescriptor. The
2413 * invoking routine must close the fd. 2664 * invoking routine must close the fd.
2414 */ 2665 */
2415#if 0 2666#if 0
2416void 2667void
2417rxvt_term::scr_dump (int fd) 2668rxvt_term::scr_dump (int fd) noexcept
2418{ 2669{
2419 int row, wrote; 2670 // if this method is needed, it can be implemented by factoring the
2420 unsigned int width, towrite; 2671 // relevant code in scr_printscreen
2421 char r1[] = "\n";
2422
2423 for (row = TermWin.saveLines - TermWin.nscrolled;
2424 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2425 {
2426 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2427 : TermWin.ncol;
2428 for (towrite = width; towrite; towrite -= wrote)
2429 {
2430 wrote = write (fd, & (screen.text[row][width - towrite]),
2431 towrite);
2432 if (wrote < 0)
2433 return; /* XXX: death, no report */
2434 }
2435 if (screen.tlen[row] >= 0)
2436 if (write (fd, r1, 1) <= 0)
2437 return; /* XXX: death, no report */
2438 }
2439} 2672}
2440#endif 2673#endif
2441 2674
2442/* ------------------------------------------------------------------------- * 2675/* ------------------------------------------------------------------------- *
2443 * CHARACTER SELECTION * 2676 * CHARACTER SELECTION *
2444 * ------------------------------------------------------------------------- */ 2677 * ------------------------------------------------------------------------- */
2445
2446/*
2447 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2448 */
2449void 2678void
2450rxvt_term::selection_check (int check_more) 2679rxvt_term::selection_check (int check_more) noexcept
2451{ 2680{
2452 row_col_t pos;
2453
2454 if (!selection.op) 2681 if (!selection.op)
2455 return; 2682 return;
2456 2683
2457 pos.row = pos.col = 0; 2684 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2458 if ((selection.beg.row < - (int32_t)TermWin.nscrolled) 2685 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2459 || (selection.beg.row >= TermWin.nrow) 2686 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2460 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2461 || (selection.mark.row >= TermWin.nrow)
2462 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2463 || (selection.end.row >= TermWin.nrow)
2464 || (check_more == 1 2687 || (check_more == 1
2465 && current_screen == selection.screen 2688 && current_screen == selection.screen
2466 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2689 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2467 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2690 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2468 || (check_more == 2
2469 && ROWCOL_IS_BEFORE (selection.beg, pos)
2470 && ROWCOL_IS_AFTER (selection.end, pos))
2471 || (check_more == 3
2472 && ROWCOL_IS_AFTER (selection.end, pos))
2473 || (check_more == 4 /* screen width change */
2474 && (selection.beg.row != selection.end.row
2475 || selection.end.col > TermWin.ncol)))
2476 CLEAR_SELECTION (); 2691 CLEAR_ALL_SELECTION ();
2692}
2693
2694void
2695rxvt_term::selection_changed () noexcept
2696{
2697 line_t &r1 = ROW (selection.beg.row);
2698 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2699 ++selection.beg.col;
2700
2701 line_t &r2 = ROW (selection.end.row);
2702 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2703 ++selection.end.col;
2704
2705 want_refresh = 1;
2477} 2706}
2478 2707
2479/* ------------------------------------------------------------------------- */ 2708/* ------------------------------------------------------------------------- */
2480/* 2709/*
2481 * Paste a selection direct to the command fd 2710 * Paste a selection direct to the command fd
2482 */ 2711 */
2483void 2712void
2484rxvt_term::paste (const unsigned char *data, unsigned int len) 2713rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2485{ 2714{
2486 unsigned int i, j, n;
2487 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2488
2489#if 0
2490 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2491 ZERO_SCROLLBACK (r);
2492#endif
2493
2494 /* convert normal newline chars into common keyboard Return key sequence */ 2715 /* convert normal newline chars into common keyboard Return key sequence */
2495 for (i = 0; i < len; i += PROP_SIZE) 2716 for (unsigned int i = 0; i < len; i++)
2496 { 2717 if (data[i] == C0_LF)
2497 n = min (len - i, PROP_SIZE); 2718 data[i] = C0_CR;
2498 MEMCPY (ds, data + i, n);
2499 2719
2500 for (j = 0; j < n; j++) 2720 #if ENABLE_FRILLS
2501 if (ds[j] == '\n') 2721 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2502 ds[j] = '\r'; 2722 tt_printf ("\x1b[200~");
2723 #endif
2503 2724
2504 tt_write (ds, (int)n); 2725 tt_write (data, len);
2505 }
2506 2726
2507 free (ds); 2727 #if ENABLE_FRILLS
2728 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2729 tt_printf ("\x1b[201~");
2730 #endif
2508} 2731}
2509 2732
2510/* ------------------------------------------------------------------------- */
2511/*
2512 * Respond to a notification that a primary selection has been sent
2513 * EXT: SelectionNotify
2514 */
2515int
2516rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2517{
2518 long nread = 0;
2519 unsigned long bytes_after;
2520 XTextProperty ct;
2521
2522 D_SELECT ((stderr, "rxvt_selection_paste (%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2523
2524 if (prop == None) /* check for failed XConvertSelection */
2525 {
2526 if ((selection_type & Sel_CompoundText))
2527 {
2528 int selnum = selection_type & Sel_whereMask;
2529
2530 selection_type = 0;
2531 if (selnum != Sel_direct)
2532 selection_request_other (XA_STRING, selnum);
2533 }
2534
2535 if ((selection_type & Sel_UTF8String))
2536 {
2537 int selnum = selection_type & Sel_whereMask;
2538
2539 selection_type = Sel_CompoundText;
2540 if (selnum != Sel_direct)
2541 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2542 else
2543 selection_type = 0;
2544 }
2545
2546 return 0;
2547 }
2548
2549 for (;;)
2550 {
2551 if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4),
2552 (long) (PROP_SIZE / 4), delete_prop,
2553 AnyPropertyType, &ct.encoding, &ct.format,
2554 &ct.nitems, &bytes_after,
2555 &ct.value) != Success)
2556 break;
2557
2558 if (ct.encoding == 0)
2559 {
2560 D_SELECT ((stderr, "rxvt_selection_paste: property didn't exist!"));
2561 break;
2562 }
2563
2564 if (ct.value == NULL)
2565 {
2566 D_SELECT ((stderr, "rxvt_selection_paste: property shooting blanks!"));
2567 continue;
2568 }
2569
2570 if (ct.nitems == 0)
2571 {
2572 D_SELECT ((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2573
2574 if (selection_wait == Sel_normal && nread == 0
2575 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2576 {
2577 /*
2578 * pass through again trying CUT_BUFFER0 if we've come from
2579 * XConvertSelection () but nothing was presented
2580 */
2581 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2582 selection_paste (display->root, XA_CUT_BUFFER0, False);
2583 }
2584
2585 nread = -1; /* discount any previous stuff */
2586 break;
2587 }
2588
2589 nread += ct.nitems;
2590
2591 char **cl;
2592 int cr;
2593 if (XmbTextPropertyToTextList (display->display, &ct, &cl,
2594 &cr) >= 0 && cl)
2595 {
2596 for (int i = 0; i < cr; i++)
2597 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2598
2599 XFreeStringList (cl);
2600 }
2601 else
2602 paste (ct.value, ct.nitems);
2603
2604 if (bytes_after == 0)
2605 break;
2606
2607 XFree (ct.value);
2608 }
2609
2610 if (ct.value)
2611 XFree (ct.value);
2612
2613 if (selection_wait == Sel_normal)
2614 selection_wait = Sel_none;
2615
2616 D_SELECT ((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2617 return (int)nread;
2618}
2619
2620void 2733void
2621rxvt_term::incr_cb (time_watcher &w) 2734rxvt_term::paste (char *data, unsigned int len) noexcept
2622{ 2735{
2623 selection_wait = Sel_none; 2736 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2624
2625 rxvt_print_error ("data loss: timeout on INCR selection paste");
2626}
2627
2628/*
2629 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2630 */
2631void
2632rxvt_term::selection_property (Window win, Atom prop)
2633{
2634 int reget_time = 0;
2635
2636 if (prop == None)
2637 return; 2737 return;
2638 2738
2639 D_SELECT ((stderr, "rxvt_selection_property (%08lx, %lu)", win, (unsigned long)prop)); 2739 tt_paste (data, len);
2640 if (selection_wait == Sel_normal)
2641 {
2642 int a, afmt;
2643 Atom atype;
2644 unsigned long bytes_after, nitems;
2645 unsigned char *s = NULL;
2646
2647 a = XGetWindowProperty (display->display, win, prop, 0L, 1L, False,
2648 xa[XA_INCR], &atype, &afmt, &nitems,
2649 &bytes_after, &s);
2650 if (s)
2651 XFree (s);
2652 if (a != Success)
2653 return;
2654
2655#ifndef __CYGWIN32__
2656 if (atype == xa[XA_INCR])
2657 { /* start an INCR transfer */
2658 D_SELECT ((stderr, "rxvt_selection_property: INCR: starting transfer"));
2659 XDeleteProperty (display->display, win, prop);
2660 XFlush (display->display);
2661 reget_time = 1;
2662 selection_wait = Sel_incr;
2663 }
2664#endif
2665
2666 }
2667 else if (selection_wait == Sel_incr)
2668 {
2669 reget_time = 1;
2670
2671 if (selection_paste (win, prop, True) == -1)
2672 {
2673 D_SELECT ((stderr, "rxvt_selection_property: INCR: clean end"));
2674 selection_wait = Sel_none;
2675 incr_ev.stop ();
2676 }
2677 }
2678 if (reget_time) /* received more data so reget time */
2679 incr_ev.start (NOW + 10);
2680} 2740}
2681 2741
2682/* ------------------------------------------------------------------------- */ 2742/* ------------------------------------------------------------------------- */
2683/* 2743/*
2684 * Request the current selection: 2744 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2685 * Order: > internal selection if available 2745 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2686 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2746 * as fallback
2687 * > CUT_BUFFER0
2688 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2689 * will auto fallback to CUT_BUFFER0
2690 * EXT: button 2 release 2747 * EXT: button 2 release
2691 */ 2748 */
2692void 2749void
2693rxvt_term::selection_request (Time tm, int x, int y) 2750rxvt_term::selection_request (Time tm, int selnum) noexcept
2694{ 2751{
2695 D_SELECT ((stderr, "rxvt_selection_request (%lu, %d, %d)", tm, x, y));
2696
2697 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2698 return; /* outside window */
2699
2700 if (selection.text) 2752 if (!selection_req)
2701 { /* internal selection */
2702 D_SELECT ((stderr, "rxvt_selection_request: pasting internal"));
2703 char *str = rxvt_wcstombs (selection.text, selection.len);
2704 paste ((unsigned char *)str, strlen (str));
2705 free (str);
2706 return;
2707 } 2753 {
2708 else 2754 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2755 selection_req->run ();
2709 { 2756 }
2710 int i;
2711
2712 selection_request_time = tm;
2713 selection_wait = Sel_normal;
2714 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2715 {
2716#if X_HAVE_UTF8_STRING
2717 selection_type = Sel_UTF8String;
2718 if (selection_request_other (xa[XA_UTF8_STRING], i))
2719 return;
2720#else
2721 selection_type = Sel_CompoundText;
2722 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2723 return;
2724#endif
2725
2726 }
2727 }
2728
2729 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */
2730 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2731 selection_paste (display->root, XA_CUT_BUFFER0, False);
2732}
2733
2734int
2735rxvt_term::selection_request_other (Atom target, int selnum)
2736{
2737 Atom sel;
2738#ifdef DEBUG_SELECT
2739 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2740#endif
2741
2742 selection_type |= selnum;
2743
2744 if (selnum == Sel_Primary)
2745 sel = XA_PRIMARY;
2746 else if (selnum == Sel_Secondary)
2747 sel = XA_SECONDARY;
2748 else
2749 sel = xa[XA_CLIPBOARD];
2750
2751 if (XGetSelectionOwner (display->display, sel) != None)
2752 {
2753 D_SELECT ((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2754 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2755 TermWin.vt, selection_request_time);
2756 return 1;
2757 }
2758
2759 return 0;
2760} 2757}
2761 2758
2762/* ------------------------------------------------------------------------- */ 2759/* ------------------------------------------------------------------------- */
2763/* 2760/*
2764 * Clear all selected text 2761 * Clear all selected text
2765 * EXT: SelectionClear 2762 * EXT: SelectionClear
2766 */ 2763 */
2767void 2764void
2768rxvt_term::selection_clear () 2765rxvt_term::selection_clear (bool clipboard) noexcept
2769{ 2766{
2770 D_SELECT ((stderr, "rxvt_selection_clear ()")); 2767 if (!clipboard)
2771 2768 {
2772 want_refresh = 1; 2769 want_refresh = 1;
2773 free (selection.text); 2770 free (selection.text);
2774 selection.text = NULL; 2771 selection.text = NULL;
2775 selection.len = 0; 2772 selection.len = 0;
2776 CLEAR_SELECTION (); 2773 CLEAR_SELECTION ();
2774
2775 if (display->selection_owner == this)
2776 display->selection_owner = 0;
2777 }
2778 else
2779 {
2780 free (selection.clip_text);
2781 selection.clip_text = NULL;
2782 selection.clip_len = 0;
2783
2784 if (display->clipboard_owner == this)
2785 display->clipboard_owner = 0;
2786 }
2777} 2787}
2778 2788
2779/* ------------------------------------------------------------------------- */ 2789/* ------------------------------------------------------------------------- */
2780/* 2790/*
2781 * Copy a selection into the cut buffer 2791 * Copy a selection into the cut buffer
2782 * EXT: button 1 or 3 release 2792 * EXT: button 1 or 3 release
2783 */ 2793 */
2784void 2794void
2785rxvt_term::selection_make (Time tm) 2795rxvt_term::selection_make (Time tm)
2786{ 2796{
2787 int i, col, end_col, row, end_row; 2797 int size;
2788 wchar_t *new_selection_text; 2798 wchar_t *new_selection_text;
2789 text_t *t; 2799 text_t *t;
2790 2800
2791 D_SELECT ((stderr, "rxvt_selection_make (): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2792 switch (selection.op) 2801 switch (selection.op)
2793 { 2802 {
2794 case SELECTION_CONT: 2803 case SELECTION_CONT:
2795 break; 2804 break;
2796 case SELECTION_INIT: 2805 case SELECTION_INIT:
… …
2806 selection.op = SELECTION_DONE; 2815 selection.op = SELECTION_DONE;
2807 2816
2808 if (selection.clicks == 4) 2817 if (selection.clicks == 4)
2809 return; /* nothing selected, go away */ 2818 return; /* nothing selected, go away */
2810 2819
2820 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2821 return;
2822
2811 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1); 2823 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2812 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2824 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2813 2825
2814 col = selection.beg.col;
2815 MAX_IT (col, 0);
2816 row = selection.beg.row + TermWin.saveLines;
2817 end_row = selection.end.row + TermWin.saveLines;
2818 int ofs = 0; 2826 int ofs = 0;
2819 int extra = 0; 2827 int extra = 0;
2820 2828
2829 int col = selection.beg.col;
2830 int row = selection.beg.row;
2831
2832 int end_col;
2833
2821 for (; row <= end_row; row++, col = 0) 2834 for (; row <= selection.end.row; row++, col = 0)
2822 { 2835 {
2823 t = &(screen.text[row][col]); 2836#if !ENABLE_MINIMAL
2824 2837 if (selection.rect)
2825 end_col = screen.tlen[row]; 2838 {
2826 2839 col = selection.beg.col;
2827 if (end_col == -1)
2828 end_col = TermWin.ncol; 2840 end_col = selection.end.col;
2841 }
2842 else
2843#endif
2844 end_col = ROW(row).l;
2829 2845
2846 col = max (col, 0);
2847
2830 if (row == end_row) 2848 if (row == selection.end.row)
2831 MIN_IT (end_col, selection.end.col); 2849 min_it (end_col, selection.end.col);
2850
2851 t = ROW(row).t + col;
2832 2852
2833 for (; col < end_col; col++) 2853 for (; col < end_col; col++)
2834 { 2854 {
2835 if (*t == NOCHAR) 2855 if (*t == NOCHAR)
2836 t++; 2856 t++;
2837#if ENABLE_COMBINING 2857#if ENABLE_COMBINING
2838 else if (IS_COMPOSE (*t)) 2858 else if (IS_COMPOSE (*t))
2839 { 2859 {
2840 int len = rxvt_composite.expand (*t, 0); 2860 int len = rxvt_composite.expand (*t);
2841 2861
2842 extra -= (len - 1); 2862 extra -= (len - 1);
2843 2863
2844 if (extra < 0) 2864 if (extra < 0)
2845 { 2865 {
2846 extra += i; 2866 extra += size;
2847 i += i; 2867 size += size;
2848 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2868 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2849 } 2869 }
2850 2870
2851 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2871 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2852 } 2872 }
2853#endif 2873#endif
2854 else 2874 else
2855 new_selection_text[ofs++] = *t++; 2875 new_selection_text[ofs++] = *t++;
2856 } 2876 }
2857 2877
2858 if (screen.tlen[row] != -1 && row != end_row) 2878#if !ENABLE_MINIMAL
2879 if (selection.rect)
2880 {
2881 while (ofs
2882 && new_selection_text[ofs - 1] != C0_LF
2883 && unicode::is_space (new_selection_text[ofs - 1]))
2884 --ofs;
2885
2859 new_selection_text[ofs++] = L'\n'; 2886 new_selection_text[ofs++] = C0_LF;
2860 } 2887 }
2861 2888 else
2862#ifndef NO_OLD_SELECTION 2889#endif
2863 if (selection_style == OLD_SELECT) 2890 if (!ROW(row).is_longer ()
2864 if (end_col == TermWin.ncol) 2891 && (row != selection.end.row || end_col != selection.end.col)
2892 && (row != selection.beg.row || selection.beg.col < ncol))
2865 new_selection_text[ofs++] = L'\n'; 2893 new_selection_text[ofs++] = C0_LF;
2866#endif 2894 }
2867#ifndef NO_NEW_SELECTION 2895
2868 if (selection_style != OLD_SELECT)
2869 if (end_col != selection.end.col)
2870 new_selection_text[ofs++] = L'\n';
2871#endif
2872 new_selection_text[ofs] = 0; 2896 new_selection_text[ofs] = 0;
2873 2897
2874 if (ofs == 0) 2898 if (ofs == 0)
2875 { 2899 {
2876 free (new_selection_text); 2900 free (new_selection_text);
… …
2881 2905
2882 // we usually allocate much more than necessary, so realloc it smaller again 2906 // we usually allocate much more than necessary, so realloc it smaller again
2883 selection.len = ofs; 2907 selection.len = ofs;
2884 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 2908 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2885 2909
2886 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm); 2910 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2887 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt) 2911 return;
2888 display->set_selection_owner (this); 2912
2913 selection_grab (tm);
2914}
2915
2916bool
2917rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2918{
2919 Atom sel;
2920
2921 if (!clipboard)
2922 {
2923 selection_time = tm;
2924 sel = XA_PRIMARY;
2925 }
2889 else 2926 else
2890 rxvt_print_error ("can't get primary selection"); 2927 {
2928 clipboard_time = tm;
2929 sel = xa[XA_CLIPBOARD];
2930 }
2931
2932 XSetSelectionOwner (dpy, sel, vt, tm);
2933 if (XGetSelectionOwner (dpy, sel) == vt)
2934 {
2935 display->set_selection_owner (this, clipboard);
2936 return true;
2937 }
2938 else
2939 {
2940 selection_clear (clipboard);
2941 return false;
2942 }
2891 2943
2892#if 0 2944#if 0
2893 XTextProperty ct; 2945 XTextProperty ct;
2894 2946
2895 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 2947 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2896 { 2948 {
2897 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8, 2949 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2898 PropModeReplace, ct.value, ct.nitems);
2899 XFree (ct.value); 2950 XFree (ct.value);
2900 } 2951 }
2901#endif 2952#endif
2902
2903 selection_time = tm;
2904 D_SELECT ((stderr, "rxvt_selection_make (): selection.len=%d", selection.len));
2905} 2953}
2906 2954
2907/* ------------------------------------------------------------------------- */ 2955/* ------------------------------------------------------------------------- */
2908/* 2956/*
2909 * Mark or select text based upon number of clicks: 1, 2, or 3 2957 * Mark or select text based upon number of clicks: 1, 2, or 3
2910 * EXT: button 1 press 2958 * EXT: button 1 press
2911 */ 2959 */
2912void 2960void ecb_cold
2913rxvt_term::selection_click (int clicks, int x, int y) 2961rxvt_term::selection_click (int clicks, int x, int y) noexcept
2914{ 2962{
2915 D_SELECT ((stderr, "rxvt_selection_click (%d, %d, %d)", clicks, x, y));
2916
2917 clicks = ((clicks - 1) % 3) + 1; 2963 clicks = ((clicks - 1) % 3) + 1;
2918 selection.clicks = clicks; /* save clicks so extend will work */ 2964 selection.clicks = clicks; /* save clicks so extend will work */
2919 2965
2966 if (clicks == 2 && !selection.rect
2967 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2968 {
2969 MEvent.clicks = 1; // what a mess
2970 selection.screen = current_screen;
2971 selection.op = SELECTION_CONT;
2972 return;
2973 }
2974
2920 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 2975 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2921 2976
2922 if (clicks == 2 || clicks == 3) 2977 if (clicks == 2 || clicks == 3)
2923 selection_extend_colrow (selection.mark.col, 2978 selection_extend_colrow (selection.mark.col,
2924 selection.mark.row + TermWin.view_start, 2979 selection.mark.row - view_start,
2925 0, /* button 3 */ 2980 0, /* button 3 */
2926 1, /* button press */ 2981 1, /* button press */
2927 0); /* click change */ 2982 0); /* click change */
2928} 2983}
2929 2984
2930/* ------------------------------------------------------------------------- */ 2985/* ------------------------------------------------------------------------- */
2931/* 2986/*
2932 * Mark a selection at the specified col/row 2987 * Mark a selection at the specified col/row
2933 */ 2988 */
2934void 2989void ecb_cold
2935rxvt_term::selection_start_colrow (int col, int row) 2990rxvt_term::selection_start_colrow (int col, int row) noexcept
2936{ 2991{
2937 want_refresh = 1; 2992 want_refresh = 1;
2993
2994 selection.mark.row = row + view_start;
2938 selection.mark.col = col; 2995 selection.mark.col = col;
2939 selection.mark.row = row - TermWin.view_start; 2996
2940 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled); 2997 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2941 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1); 2998 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2999
2942 MAX_IT (selection.mark.col, 0); 3000 while (selection.mark.col > 0
2943 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1); 3001 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3002 --selection.mark.col;
2944 3003
2945 if (selection.op) 3004 if (selection.op)
3005 {
2946 { /* clear the old selection */ 3006 /* clear the old selection */
2947 selection.beg.row = selection.end.row = selection.mark.row; 3007 selection.beg.row = selection.end.row = selection.mark.row;
2948 selection.beg.col = selection.end.col = selection.mark.col; 3008 selection.beg.col = selection.end.col = selection.mark.col;
2949 } 3009 }
3010
2950 selection.op = SELECTION_INIT; 3011 selection.op = SELECTION_INIT;
2951 selection.screen = current_screen; 3012 selection.screen = current_screen;
2952} 3013}
2953 3014
2954/* ------------------------------------------------------------------------- */ 3015/* ------------------------------------------------------------------------- */
… …
2956 * Word select: select text for 2 clicks 3017 * Word select: select text for 2 clicks
2957 * We now only find out the boundary in one direction 3018 * We now only find out the boundary in one direction
2958 */ 3019 */
2959 3020
2960/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3021/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2961#define DELIMIT_TEXT(x) \ 3022#define DELIMIT_TEXT(x) \
2962 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR (rs[Rs_cutchars], (x)) != NULL)) 3023 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2963#define DELIMIT_REND(x) 1 3024#define DELIMIT_REND(x) 1
2964 3025
2965void 3026void ecb_cold
2966rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3027rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2967{ 3028{
2968 int col, row, dirnadd, tcol, trow, w1, w2; 3029 int col, row, dirnadd, tcol, trow, w1, w2;
2969 row_col_t bound; 3030 row_col_t bound;
2970 text_t *stp; 3031 text_t *stp;
2971 rend_t *srp; 3032 rend_t *srp;
2972 3033
2973 if (dirn == UP) 3034 if (dirn == UP)
2974 { 3035 {
2975 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3036 bound.row = top_row - 1;
2976 bound.col = 0; 3037 bound.col = 0;
2977 dirnadd = -1; 3038 dirnadd = -1;
2978 } 3039 }
2979 else 3040 else
2980 { 3041 {
2981 bound.row = TermWin.saveLines + TermWin.nrow; 3042 bound.row = nrow;
2982 bound.col = TermWin.ncol - 1; 3043 bound.col = ncol - 1;
2983 dirnadd = 1; 3044 dirnadd = 1;
2984 } 3045 }
2985 row = mark->row + TermWin.saveLines; 3046
3047 row = mark->row;
2986 col = mark->col; 3048 col = max (mark->col, 0);
2987 MAX_IT (col, 0); 3049
2988 /* find the edge of a word */ 3050 /* find the edge of a word */
2989 stp = & (screen.text[row][col]); 3051 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2990 w1 = DELIMIT_TEXT (*stp); 3052 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2991 3053
2992 if (selection_style != NEW_SELECT) 3054 for (;;)
2993 { 3055 {
2994 if (w1 == 1) 3056 for (; col != bound.col; col += dirnadd)
2995 { 3057 {
2996 stp += dirnadd; 3058 stp += dirnadd;
2997 if (DELIMIT_TEXT (*stp) == 1)
2998 goto Old_Word_Selection_You_Die;
2999 col += dirnadd;
3000 }
3001 w1 = 0;
3002 }
3003 srp = (&screen.rend[row][col]);
3004 w2 = DELIMIT_REND (*srp);
3005
3006 for (;;)
3007 {
3008 for (; col != bound.col; col += dirnadd)
3009 {
3010 stp += dirnadd; 3059 srp += dirnadd;
3060
3061 if (*stp == NOCHAR)
3062 continue;
3063
3011 if (DELIMIT_TEXT (*stp) != w1) 3064 if (DELIMIT_TEXT (*stp) != w1)
3012 break; 3065 break;
3013 srp += dirnadd;
3014 if (DELIMIT_REND (*srp) != w2) 3066 if (DELIMIT_REND (*srp) != w2)
3015 break; 3067 break;
3016 } 3068 }
3069
3017 if ((col == bound.col) && (row != bound.row)) 3070 if ((col == bound.col) && (row != bound.row))
3018 { 3071 {
3019 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1) 3072 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3020 { 3073 {
3021 trow = row + dirnadd; 3074 trow = row + dirnadd;
3022 tcol = dirn == UP ? TermWin.ncol - 1 : 0; 3075 tcol = dirn == UP ? ncol - 1 : 0;
3023 if (screen.text[trow] == NULL) 3076
3077 if (!ROW(trow).t)
3024 break; 3078 break;
3025 stp = & (screen.text[trow][tcol]); 3079
3026 srp = & (screen.rend[trow][tcol]); 3080 stp = ROW(trow).t + tcol;
3081 srp = ROW(trow).r + tcol;
3082
3027 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) 3083 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3028 break; 3084 break;
3085
3029 row = trow; 3086 row = trow;
3030 col = tcol; 3087 col = tcol;
3031 continue; 3088 continue;
3032 } 3089 }
3033 } 3090 }
3034 break; 3091 break;
3035 } 3092 }
3036Old_Word_Selection_You_Die:
3037 D_SELECT ((stderr, "rxvt_selection_delimit_word (%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
3038 3093
3039 if (dirn == DN) 3094 if (dirn == DN)
3040 col++; /* put us on one past the end */ 3095 col++; /* put us on one past the end */
3041 3096
3042 /* Poke the values back in */ 3097 /* Poke the values back in */
3043 ret->row = row - TermWin.saveLines; 3098 ret->row = row;
3044 ret->col = col; 3099 ret->col = col;
3045} 3100}
3046 3101
3047/* ------------------------------------------------------------------------- */ 3102/* ------------------------------------------------------------------------- */
3048/* 3103/*
… …
3050 * EXT: button 3 press; button 1 or 3 drag 3105 * EXT: button 3 press; button 1 or 3 drag
3051 * flag == 0 ==> button 1 3106 * flag == 0 ==> button 1
3052 * flag == 1 ==> button 3 press 3107 * flag == 1 ==> button 3 press
3053 * flag == 2 ==> button 3 motion 3108 * flag == 2 ==> button 3 motion
3054 */ 3109 */
3055void 3110void ecb_cold
3056rxvt_term::selection_extend (int x, int y, int flag) 3111rxvt_term::selection_extend (int x, int y, int flag) noexcept
3057{ 3112{
3058 int col, row; 3113 int col = clamp (Pixel2Col (x), 0, ncol);
3114 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3059 3115
3060 col = Pixel2Col (x);
3061 row = Pixel2Row (y);
3062 MAX_IT (row, 0);
3063 MIN_IT (row, (int)TermWin.nrow - 1);
3064 MAX_IT (col, 0);
3065 MIN_IT (col, (int)TermWin.ncol);
3066
3067#ifndef NO_NEW_SELECTION
3068 /* 3116 /*
3069 * If we're selecting characters (single click) then we must check first 3117 * If we're selecting characters (single click) then we must check first
3070 * if we are at the same place as the original mark. If we are then 3118 * if we are at the same place as the original mark. If we are then
3071 * select nothing. Otherwise, if we're to the right of the mark, you have to 3119 * select nothing. Otherwise, if we're to the right of the mark, you have to
3072 * be _past_ a character for it to be selected. 3120 * be _past_ a character for it to be selected.
3073 */ 3121 */
3074 if (selection_style != OLD_SELECT)
3075 {
3076 if (((selection.clicks % 3) == 1) && !flag 3122 if (((selection.clicks % 3) == 1) && !flag
3077 && (col == selection.mark.col 3123 && (col == selection.mark.col
3078 && (row == selection.mark.row + TermWin.view_start))) 3124 && (row == selection.mark.row - view_start)))
3079 { 3125 {
3080 /* select nothing */ 3126 /* select nothing */
3081 selection.beg.row = selection.end.row = 0; 3127 selection.beg.row = selection.end.row = 0;
3082 selection.beg.col = selection.end.col = 0; 3128 selection.beg.col = selection.end.col = 0;
3083 selection.clicks = 4; 3129 selection.clicks = 4;
3084 want_refresh = 1; 3130 want_refresh = 1;
3085 D_SELECT ((stderr, "rxvt_selection_extend () selection.clicks = 4"));
3086 return; 3131 return;
3087 }
3088 } 3132 }
3089#endif 3133
3090 if (selection.clicks == 4) 3134 if (selection.clicks == 4)
3091 selection.clicks = 1; 3135 selection.clicks = 1;
3092 3136
3093 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3137 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3094 flag == 1 ? 1 : 0, /* ? button press */ 3138 flag == 1 ? 1 : 0, /* ? button press */
… …
3097 3141
3098/* ------------------------------------------------------------------------- */ 3142/* ------------------------------------------------------------------------- */
3099/* 3143/*
3100 * Extend the selection to the specified col/row 3144 * Extend the selection to the specified col/row
3101 */ 3145 */
3102void 3146void ecb_cold
3103rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3147rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3104{ 3148{
3105 int16_t ncol = TermWin.ncol;
3106 int end_col;
3107 row_col_t pos; 3149 row_col_t pos;
3108 enum { 3150 enum {
3109 LEFT, RIGHT 3151 LEFT, RIGHT
3110 } closeto = RIGHT; 3152 } closeto = RIGHT;
3111 3153
3112 D_SELECT ((stderr, "rxvt_selection_extend_colrow (c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
3113 D_SELECT ((stderr, "rxvt_selection_extend_colrow () ENT b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3114
3115 want_refresh = 1;
3116 switch (selection.op) 3154 switch (selection.op)
3117 { 3155 {
3118 case SELECTION_INIT: 3156 case SELECTION_INIT:
3119 CLEAR_SELECTION (); 3157 CLEAR_SELECTION ();
3120 selection.op = SELECTION_BEGIN; 3158 selection.op = SELECTION_BEGIN;
… …
3133 selection_start_colrow (col, row); 3171 selection_start_colrow (col, row);
3134 /* FALLTHROUGH */ 3172 /* FALLTHROUGH */
3135 default: 3173 default:
3136 return; 3174 return;
3137 } 3175 }
3176
3138 if (selection.beg.col == selection.end.col 3177 if (selection.beg.col == selection.end.col
3139 && selection.beg.col != selection.mark.col 3178 && selection.beg.col != selection.mark.col
3140 && selection.beg.row == selection.end.row 3179 && selection.beg.row == selection.end.row
3141 && selection.beg.row != selection.mark.row) 3180 && selection.beg.row != selection.mark.row)
3142 { 3181 {
3143 selection.beg.col = selection.end.col = selection.mark.col; 3182 selection.beg.col = selection.end.col = selection.mark.col;
3144 selection.beg.row = selection.end.row = selection.mark.row; 3183 selection.beg.row = selection.end.row = selection.mark.row;
3145 D_SELECT ((stderr, "rxvt_selection_extend_colrow () ENT2 b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3146 } 3184 }
3147 3185
3148 pos.col = col; 3186 pos.col = col;
3149 pos.row = row; 3187 pos.row = view_start + row;
3150 3188
3151 pos.row -= TermWin.view_start; /* adjust for scroll */
3152
3153#ifndef NO_OLD_SELECTION
3154 /*
3155 * This mimics some of the selection behaviour of version 2.20 and before.
3156 * There are no ``selection modes'', button3 is always character extension.
3157 * Note: button3 drag is always available, c.f. v2.20
3158 * Selection always terminates (left or right as appropriate) at the mark.
3159 */
3160 if (selection_style == OLD_SELECT)
3161 {
3162 if (selection.clicks == 1 || button3)
3163 {
3164 if (hate_those_clicks)
3165 {
3166 hate_those_clicks = 0;
3167 if (selection.clicks == 1)
3168 {
3169 selection.beg.row = selection.mark.row;
3170 selection.beg.col = selection.mark.col;
3171 }
3172 else
3173 {
3174 selection.mark.row = selection.beg.row;
3175 selection.mark.col = selection.beg.col;
3176 }
3177 }
3178 if (ROWCOL_IS_BEFORE (pos, selection.mark))
3179 {
3180 selection.end.row = selection.mark.row;
3181 selection.end.col = selection.mark.col + 1;
3182 selection.beg.row = pos.row;
3183 selection.beg.col = pos.col;
3184 }
3185 else
3186 {
3187 selection.beg.row = selection.mark.row;
3188 selection.beg.col = selection.mark.col;
3189 selection.end.row = pos.row;
3190 selection.end.col = pos.col + 1;
3191 }
3192 }
3193 else if (selection.clicks == 2)
3194 {
3195 selection_delimit_word (UP, & (selection.mark),
3196 & (selection.beg));
3197 selection_delimit_word (DN, & (selection.mark),
3198 & (selection.end));
3199 hate_those_clicks = 1;
3200 }
3201 else if (selection.clicks == 3)
3202 {
3203 selection.beg.row = selection.end.row = selection.mark.row;
3204 selection.beg.col = 0;
3205 selection.end.col = ncol;
3206 hate_those_clicks = 1;
3207 }
3208 D_SELECT ((stderr, "rxvt_selection_extend_colrow () EXIT b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3209 return;
3210 }
3211#endif /* ! NO_OLD_SELECTION */
3212#ifndef NO_NEW_SELECTION
3213 /* selection_style must not be OLD_SELECT to get here */
3214 /* 3189 /*
3215 * This is mainly xterm style selection with a couple of differences, mainly 3190 * This is mainly xterm style selection with a couple of differences, mainly
3216 * in the way button3 drag extension works. 3191 * in the way button3 drag extension works.
3217 * We're either doing: button1 drag; button3 press; or button3 drag 3192 * We're either doing: button1 drag; button3 press; or button3 drag
3218 * a) button1 drag : select around a midpoint/word/line - that point/word/line 3193 * a) button1 drag : select around a midpoint/word/line - that point/word/line
… …
3223 * a point/word/line which is either the start or end of the selection 3198 * a point/word/line which is either the start or end of the selection
3224 * and it was decided by whichever point/word/line was `fixed' at the 3199 * and it was decided by whichever point/word/line was `fixed' at the
3225 * time of the most recent button3 press 3200 * time of the most recent button3 press
3226 */ 3201 */
3227 if (button3 && buttonpress) 3202 if (button3 && buttonpress)
3203 {
3228 { /* button3 press */ 3204 /* button3 press */
3229 /* 3205 /*
3230 * first determine which edge of the selection we are closest to 3206 * first determine which edge of the selection we are closest to
3231 */ 3207 */
3232 if (ROWCOL_IS_BEFORE (pos, selection.beg) 3208 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3233 || (!ROWCOL_IS_AFTER (pos, selection.end) 3209 || (!ROWCOL_IS_AFTER (pos, selection.end)
3234 && (((pos.col - selection.beg.col) 3210 && (((pos.col - selection.beg.col)
3235 + ((pos.row - selection.beg.row) * ncol)) 3211 + ((pos.row - selection.beg.row) * ncol))
3236 < ((selection.end.col - pos.col) 3212 < ((selection.end.col - pos.col)
3237 + ((selection.end.row - pos.row) * ncol))))) 3213 + ((selection.end.row - pos.row) * ncol)))))
3238 closeto = LEFT; 3214 closeto = LEFT;
3215
3239 if (closeto == LEFT) 3216 if (closeto == LEFT)
3240 { 3217 {
3241 selection.beg.row = pos.row; 3218 selection.beg.row = pos.row;
3242 selection.beg.col = pos.col; 3219 selection.beg.col = pos.col;
3243 selection.mark.row = selection.end.row; 3220 selection.mark.row = selection.end.row;
3244 selection.mark.col = selection.end.col 3221 selection.mark.col = selection.end.col - (selection.clicks == 2);
3245 - (selection.clicks == 2);
3246 } 3222 }
3247 else 3223 else
3248 { 3224 {
3249 selection.end.row = pos.row; 3225 selection.end.row = pos.row;
3250 selection.end.col = pos.col; 3226 selection.end.col = pos.col;
3251 selection.mark.row = selection.beg.row; 3227 selection.mark.row = selection.beg.row;
3252 selection.mark.col = selection.beg.col; 3228 selection.mark.col = selection.beg.col;
3253 } 3229 }
3254 } 3230 }
3255 else 3231 else
3232 {
3256 { /* button1 drag or button3 drag */ 3233 /* button1 drag or button3 drag */
3257 if (ROWCOL_IS_AFTER (selection.mark, pos)) 3234 if (ROWCOL_IS_AFTER (selection.mark, pos))
3258 { 3235 {
3259 if ((selection.mark.row == selection.end.row) 3236 if (selection.mark.row == selection.end.row
3260 && (selection.mark.col == selection.end.col) 3237 && selection.mark.col == selection.end.col
3238 && clickchange
3261 && clickchange && selection.clicks == 2) 3239 && selection.clicks == 2)
3262 selection.mark.col--; 3240 selection.mark.col--;
3241
3263 selection.beg.row = pos.row; 3242 selection.beg.row = pos.row;
3264 selection.beg.col = pos.col; 3243 selection.beg.col = pos.col;
3265 selection.end.row = selection.mark.row; 3244 selection.end.row = selection.mark.row;
3266 selection.end.col = selection.mark.col 3245 selection.end.col = selection.mark.col + (selection.clicks == 2);
3267 + (selection.clicks == 2);
3268 } 3246 }
3269 else 3247 else
3270 { 3248 {
3271 selection.beg.row = selection.mark.row; 3249 selection.beg.row = selection.mark.row;
3272 selection.beg.col = selection.mark.col; 3250 selection.beg.col = selection.mark.col;
… …
3275 } 3253 }
3276 } 3254 }
3277 3255
3278 if (selection.clicks == 1) 3256 if (selection.clicks == 1)
3279 { 3257 {
3280 end_col = screen.tlen[selection.beg.row + TermWin.saveLines]; 3258 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3281 if (end_col != -1 && selection.beg.col > end_col) 3259 && !ROW(selection.beg.row).is_longer ()
3260#if !ENABLE_MINIMAL
3261 && !selection.rect
3262#endif
3282 { 3263 )
3283#if 1
3284 selection.beg.col = ncol; 3264 selection.beg.col = ncol;
3285#else
3286 if (selection.beg.row != selection.end.row)
3287 selection.beg.col = ncol;
3288 else
3289 selection.beg.col = selection.mark.col;
3290#endif
3291 3265
3266 if (
3267 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3268 && !ROW(selection.end.row).is_longer ()
3269#if !ENABLE_MINIMAL
3270 && !selection.rect
3271#endif
3292 } 3272 )
3293 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3294 if (end_col != -1 && selection.end.col > end_col)
3295 selection.end.col = ncol; 3273 selection.end.col = ncol;
3296
3297 } 3274 }
3298 else if (selection.clicks == 2) 3275 else if (selection.clicks == 2)
3299 { 3276 {
3300 if (ROWCOL_IS_AFTER (selection.end, selection.beg)) 3277 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3301 selection.end.col--; 3278 selection.end.col--;
3279
3302 selection_delimit_word (UP, & (selection.beg), 3280 selection_delimit_word (UP, &selection.beg, &selection.beg);
3303 & (selection.beg));
3304 selection_delimit_word (DN, & (selection.end), 3281 selection_delimit_word (DN, &selection.end, &selection.end);
3305 & (selection.end));
3306 } 3282 }
3307 else if (selection.clicks == 3) 3283 else if (selection.clicks == 3)
3308 { 3284 {
3309#ifndef NO_FRILLS 3285#if ENABLE_FRILLS
3310 if ((Options & Opt_tripleclickwords)) 3286 if (option (Opt_tripleclickwords))
3311 { 3287 {
3312 int end_row;
3313
3314 selection_delimit_word (UP, & (selection.beg), 3288 selection_delimit_word (UP, &selection.beg, &selection.beg);
3315 & (selection.beg)); 3289
3316 end_row = screen.tlen[selection.mark.row
3317 + TermWin.saveLines];
3318 for (end_row = selection.mark.row; end_row < TermWin.nrow; 3290 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3319 end_row++)
3320 { 3291 {
3321 end_col = screen.tlen[end_row + TermWin.saveLines]; 3292 if (!ROW(end_row).is_longer ())
3322 if (end_col != -1)
3323 { 3293 {
3324 selection.end.row = end_row; 3294 selection.end.row = end_row;
3325 selection.end.col = end_col; 3295 selection.end.col = ROW(end_row).l;
3296# if !ENABLE_MINIMAL
3326 selection_remove_trailing_spaces (); 3297 selection_remove_trailing_spaces ();
3298# endif
3327 break; 3299 break;
3328 } 3300 }
3329 } 3301 }
3330 } 3302 }
3331 else 3303 else
3332#endif 3304#endif
3333
3334 { 3305 {
3335 if (ROWCOL_IS_AFTER (selection.mark, selection.beg)) 3306 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3336 selection.mark.col++; 3307 selection.mark.col++;
3308
3337 selection.beg.col = 0; 3309 selection.beg.col = 0;
3338 selection.end.col = ncol; 3310 selection.end.col = ncol;
3311
3312 // select a complete logical line
3313 while (selection.beg.row > -saveLines
3314 && ROW(selection.beg.row - 1).is_longer ())
3315 selection.beg.row--;
3316
3317 while (selection.end.row < nrow
3318 && ROW(selection.end.row).is_longer ())
3319 selection.end.row++;
3339 } 3320 }
3340 } 3321 }
3322
3341 if (button3 && buttonpress) 3323 if (button3 && buttonpress)
3324 {
3342 { /* mark may need to be changed */ 3325 /* mark may need to be changed */
3343 if (closeto == LEFT) 3326 if (closeto == LEFT)
3344 { 3327 {
3345 selection.mark.row = selection.end.row; 3328 selection.mark.row = selection.end.row;
3346 selection.mark.col = selection.end.col 3329 selection.mark.col = selection.end.col - (selection.clicks == 2);
3347 - (selection.clicks == 2);
3348 } 3330 }
3349 else 3331 else
3350 { 3332 {
3351 selection.mark.row = selection.beg.row; 3333 selection.mark.row = selection.beg.row;
3352 selection.mark.col = selection.beg.col; 3334 selection.mark.col = selection.beg.col;
3353 } 3335 }
3354 } 3336 }
3355 D_SELECT ((stderr, "rxvt_selection_extend_colrow () EXIT b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3356#endif /* ! NO_NEW_SELECTION */
3357}
3358 3337
3359#ifndef NO_FRILLS 3338#if !ENABLE_MINIMAL
3360void 3339 if (selection.rect && selection.beg.col > selection.end.col)
3340 ::swap (selection.beg.col, selection.end.col);
3341#endif
3342
3343 selection_changed ();
3344}
3345
3346#if !ENABLE_MINIMAL
3347void ecb_cold
3361rxvt_term::selection_remove_trailing_spaces () 3348rxvt_term::selection_remove_trailing_spaces () noexcept
3362{ 3349{
3363 int32_t end_col, end_row; 3350 int32_t end_col, end_row;
3364 text_t *stp; 3351 text_t *stp;
3365 3352
3366 end_col = selection.end.col; 3353 end_col = selection.end.col;
3367 end_row = selection.end.row; 3354 end_row = selection.end.row;
3355
3368 for ( ; end_row >= selection.beg.row; ) 3356 for (; end_row >= selection.beg.row; )
3369 { 3357 {
3370 stp = screen.text[end_row + TermWin.saveLines]; 3358 stp = ROW(end_row).t;
3359
3371 while (--end_col >= 0) 3360 while (--end_col >= 0)
3372 { 3361 {
3373 if (stp[end_col] != ' ' && stp[end_col] != '\t') 3362 if (stp[end_col] != NOCHAR
3363 && !unicode::is_space (stp[end_col]))
3374 break; 3364 break;
3375 } 3365 }
3366
3376 if (end_col >= 0 3367 if (end_col >= 0
3377 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) 3368 || !ROW(end_row - 1).is_longer ())
3378 { 3369 {
3379 selection.end.col = end_col + 1; 3370 selection.end.col = end_col + 1;
3380 selection.end.row = end_row; 3371 selection.end.row = end_row;
3381 break; 3372 break;
3382 } 3373 }
3374
3383 end_row--; 3375 end_row--;
3384 end_col = TermWin.ncol; 3376 end_col = ncol;
3385 } 3377 }
3378
3386 if (selection.mark.row > selection.end.row) 3379 if (selection.mark.row > selection.end.row)
3387 { 3380 {
3388 selection.mark.row = selection.end.row; 3381 selection.mark.row = selection.end.row;
3389 selection.mark.col = selection.end.col; 3382 selection.mark.col = selection.end.col;
3390 } 3383 }
… …
3397/* ------------------------------------------------------------------------- */ 3390/* ------------------------------------------------------------------------- */
3398/* 3391/*
3399 * Double click on button 3 when already selected 3392 * Double click on button 3 when already selected
3400 * EXT: button 3 double click 3393 * EXT: button 3 double click
3401 */ 3394 */
3402void 3395void ecb_cold
3403rxvt_term::selection_rotate (int x, int y) 3396rxvt_term::selection_rotate (int x, int y) noexcept
3404{ 3397{
3405 selection.clicks = selection.clicks % 3 + 1; 3398 selection.clicks = selection.clicks % 3 + 1;
3406 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3399 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3407} 3400}
3408 3401
3409/* ------------------------------------------------------------------------- */ 3402/* ------------------------------------------------------------------------- */
3410/* 3403/*
3411 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3412 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3413 * the X11 protocol.
3414 */
3415typedef CARD32 Atom32;
3416
3417/* ------------------------------------------------------------------------- */
3418/*
3419 * Respond to a request for our current selection 3404 * Respond to a request for our current selection
3420 * EXT: SelectionRequest 3405 * EXT: SelectionRequest
3421 */ 3406 */
3422void 3407void ecb_cold
3423rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3408rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3424{ 3409{
3410 Atom property = rq.property == None ? rq.target : rq.property;
3425 XSelectionEvent ev; 3411 XSelectionEvent ev;
3426 XTextProperty ct;
3427 XICCEncodingStyle style;
3428 Atom target;
3429 3412
3430 ev.type = SelectionNotify; 3413 ev.type = SelectionNotify;
3431 ev.property = None; 3414 ev.property = None;
3432 ev.display = rq.display; 3415 ev.display = rq.display;
3433 ev.requestor = rq.requestor; 3416 ev.requestor = rq.requestor;
… …
3435 ev.target = rq.target; 3418 ev.target = rq.target;
3436 ev.time = rq.time; 3419 ev.time = rq.time;
3437 3420
3438 if (rq.target == xa[XA_TARGETS]) 3421 if (rq.target == xa[XA_TARGETS])
3439 { 3422 {
3440 Atom32 target_list[6]; 3423 Atom target_list[6];
3441 Atom32 *target = target_list; 3424 Atom *target = target_list;
3442 3425
3443 *target++ = (Atom32) xa[XA_TARGETS]; 3426 *target++ = xa[XA_TARGETS];
3444 *target++ = (Atom32) xa[XA_TIMESTAMP]; 3427 *target++ = xa[XA_TIMESTAMP];
3445 *target++ = (Atom32) XA_STRING; 3428 *target++ = XA_STRING;
3446 *target++ = (Atom32) xa[XA_TEXT]; 3429 *target++ = xa[XA_TEXT];
3447 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3430 *target++ = xa[XA_COMPOUND_TEXT];
3448#if X_HAVE_UTF8_STRING 3431#if X_HAVE_UTF8_STRING
3449 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3432 *target++ = xa[XA_UTF8_STRING];
3450#endif 3433#endif
3451 3434
3452 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM, 3435 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3453 (8 * sizeof (target_list[0])), PropModeReplace, 3436 32, PropModeReplace,
3454 (unsigned char *)target_list, 3437 (unsigned char *)target_list, target - target_list);
3455 target - target_list);
3456 ev.property = rq.property; 3438 ev.property = property;
3457 } 3439 }
3440#if TODO // TODO
3458 else if (rq.target == xa[XA_MULTIPLE]) 3441 else if (rq.target == xa[XA_MULTIPLE])
3459 { 3442 {
3460 /* TODO: Handle MULTIPLE */ 3443 /* TODO: Handle MULTIPLE */
3461 } 3444 }
3445#endif
3462 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3446 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3463 { 3447 {
3464 XChangeProperty (display->display, rq.requestor, rq.property, XA_INTEGER, 3448 XChangeProperty (dpy, rq.requestor, property, rq.target,
3465 (8 * sizeof (Time)), PropModeReplace,
3466 (unsigned char *)&selection_time, 1); 3449 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3467 ev.property = rq.property; 3450 ev.property = property;
3451 }
3452 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3453 {
3454 XChangeProperty (dpy, rq.requestor, property, rq.target,
3455 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3456 ev.property = property;
3468 } 3457 }
3469 else if (rq.target == XA_STRING 3458 else if (rq.target == XA_STRING
3470 || rq.target == xa[XA_TEXT] 3459 || rq.target == xa[XA_TEXT]
3471 || rq.target == xa[XA_COMPOUND_TEXT] 3460 || rq.target == xa[XA_COMPOUND_TEXT]
3472 || rq.target == xa[XA_UTF8_STRING] 3461 || rq.target == xa[XA_UTF8_STRING]
3473 ) 3462 )
3474 { 3463 {
3464 XTextProperty ct;
3465 Atom target = rq.target;
3475 short freect = 0; 3466 short freect = 0;
3476 int selectlen; 3467 int selectlen;
3477 wchar_t *cl; 3468 wchar_t *cl;
3478 3469 enum {
3479 target = rq.target; 3470 enc_string = XStringStyle,
3471 enc_text = XStdICCTextStyle,
3472 enc_compound_text = XCompoundTextStyle,
3473#ifdef X_HAVE_UTF8_STRING
3474 enc_utf8 = XUTF8StringStyle,
3475#else
3476 enc_utf8 = -1,
3477#endif
3478 } style;
3480 3479
3481 if (target == XA_STRING) 3480 if (target == XA_STRING)
3482 // we actually don't do XA_STRING, but who cares, as i18n clients 3481 // we actually don't do XA_STRING, but who cares, as i18n clients
3483 // will ask for another format anyways. 3482 // will ask for another format anyways.
3484 style = XStringStyle; 3483 style = enc_string;
3485 else if (target == xa[XA_TEXT]) 3484 else if (target == xa[XA_TEXT])
3486 style = XStdICCTextStyle; 3485 style = enc_text;
3487 else if (target == xa[XA_COMPOUND_TEXT]) 3486 else if (target == xa[XA_COMPOUND_TEXT])
3488 style = XCompoundTextStyle; 3487 style = enc_compound_text;
3489#if X_HAVE_UTF8_STRING 3488#if !ENABLE_MINIMAL
3490 else if (target == xa[XA_UTF8_STRING]) 3489 else if (target == xa[XA_UTF8_STRING])
3491 style = XUTF8StringStyle; 3490 style = enc_utf8;
3492#endif 3491#endif
3493 else 3492 else
3494 { 3493 {
3495 target = xa[XA_COMPOUND_TEXT]; 3494 target = xa[XA_COMPOUND_TEXT];
3496 style = XCompoundTextStyle; 3495 style = enc_compound_text;
3497 } 3496 }
3498 3497
3499 if (selection.text) 3498 if (rq.selection == XA_PRIMARY && selection.text)
3500 { 3499 {
3501 cl = selection.text; 3500 cl = selection.text;
3502 selectlen = selection.len; 3501 selectlen = selection.len;
3503 } 3502 }
3503 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3504 {
3505 cl = selection.clip_text;
3506 selectlen = selection.clip_len;
3507 }
3504 else 3508 else
3505 { 3509 {
3506 cl = L""; 3510 cl = (wchar_t *)L"";
3507 selectlen = 0; 3511 selectlen = 0;
3508 } 3512 }
3509 3513
3510 // Xwc doesn't handle iso-10646 in wchar_t gracefully, so maybe recode it 3514#if !ENABLE_MINIMAL
3511 // manually for XUTF8StringStyle. 3515 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3516 // so recode it manually
3517 if (style == enc_utf8)
3518 {
3519 freect = 1;
3520 ct.encoding = target;
3521 ct.format = 8;
3522 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3523 ct.nitems = strlen ((char *)ct.value);
3524 }
3525 else
3526#endif
3512 if (XwcTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0) 3527 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3513 freect = 1; 3528 freect = 1;
3514 else 3529 else
3515 { 3530 {
3516 /* if we failed to convert then send it raw */ 3531 /* if we failed to convert then send it raw */
3517 ct.value = (unsigned char *)cl; 3532 ct.value = (unsigned char *)cl;
3518 ct.nitems = selectlen; 3533 ct.nitems = selectlen;
3534 ct.encoding = target;
3519 } 3535 }
3520 3536
3521 XChangeProperty (display->display, rq.requestor, rq.property, 3537 XChangeProperty (dpy, rq.requestor, property,
3522 target, 8, PropModeReplace, 3538 ct.encoding, 8, PropModeReplace,
3523 ct.value, (int)ct.nitems); 3539 ct.value, (int)ct.nitems);
3524 ev.property = rq.property; 3540 ev.property = property;
3525 3541
3526 if (freect) 3542 if (freect)
3527 XFree (ct.value); 3543 XFree (ct.value);
3528 } 3544 }
3529 3545
3530 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev); 3546 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3531} 3547}
3532 3548
3533/* ------------------------------------------------------------------------- * 3549/* ------------------------------------------------------------------------- */
3534 * MOUSE ROUTINES *
3535 * ------------------------------------------------------------------------- */
3536
3537/*
3538 * return col/row values corresponding to x/y pixel values
3539 */
3540void
3541rxvt_term::pixel_position (int *x, int *y)
3542{
3543 *x = Pixel2Col (*x);
3544 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3545 *y = Pixel2Row (*y);
3546 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3547}
3548
3549/* ------------------------------------------------------------------------- */
3550#ifdef USE_XIM 3550#if USE_XIM
3551void 3551void ecb_cold
3552rxvt_term::im_set_position (XPoint *pos) 3552rxvt_term::im_set_position (XPoint &pos) noexcept
3553{ 3553{
3554 XWindowAttributes xwa; 3554 XWindowAttributes xwa;
3555 3555
3556 XGetWindowAttributes (display->display, TermWin.vt, &xwa); 3556 XGetWindowAttributes (dpy, vt, &xwa);
3557
3557 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3558 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3558 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3559 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3559} 3560}
3560
3561#endif 3561#endif
3562/* ------------------------------------------------------------------------- */ 3562
3563 3563#if ENABLE_OVERLAY
3564void
3565rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3566{
3567 if (nrow < 1 || ncol < 1)
3568 return;
3569
3570 want_refresh = 1;
3571
3572 scr_overlay_off ();
3573
3574 if (x < 0) x = ncol - w;
3575 if (y < 0) y = nrow - h;
3576
3577 // make space for border
3578 w += 2; min_it (w, ncol);
3579 h += 2; min_it (h, nrow);
3580
3581 x -= 1; clamp_it (x, 0, ncol - w);
3582 y -= 1; clamp_it (y, 0, nrow - h);
3583
3584 ov.x = x; ov.y = y;
3585 ov.w = w; ov.h = h;
3586
3587 ov.text = new text_t *[h];
3588 ov.rend = new rend_t *[h];
3589
3590 for (y = 0; y < h; y++)
3591 {
3592 text_t *tp = ov.text[y] = new text_t[w];
3593 rend_t *rp = ov.rend[y] = new rend_t[w];
3594
3595 text_t t0, t1, t2;
3596 rend_t r = OVERLAY_RSTYLE;
3597
3598 if (y == 0)
3599 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3600 else if (y < h - 1)
3601 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3602 else
3603 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3604
3605 *tp++ = t0;
3606 *rp++ = r;
3607
3608 for (x = w - 2; x > 0; --x)
3609 {
3610 *tp++ = t1;
3611 *rp++ = r;
3612 }
3613
3614 *tp = t2;
3615 *rp = r;
3616 }
3617}
3618
3619void
3620rxvt_term::scr_overlay_off () noexcept
3621{
3622 if (!ov.text)
3623 return;
3624
3625 want_refresh = 1;
3626
3627 for (int y = 0; y < ov.h; y++)
3628 {
3629 delete [] ov.text[y];
3630 delete [] ov.rend[y];
3631 }
3632
3633 delete [] ov.text; ov.text = 0;
3634 delete [] ov.rend; ov.rend = 0;
3635}
3636
3637void
3638rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3639{
3640 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3641 return;
3642
3643 x++, y++;
3644
3645 ov.text[y][x] = text;
3646 ov.rend[y][x] = rend;
3647}
3648
3649void
3650rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3651{
3652 while (*s)
3653 scr_overlay_set (x++, y, *s++);
3654}
3655
3656void
3657rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3658{
3659 while (*s)
3660 {
3661 text_t t = *s++;
3662 int width = WCWIDTH (t);
3663
3664 while (width--)
3665 {
3666 scr_overlay_set (x++, y, t);
3667 t = NOCHAR;
3668 }
3669 }
3670}
3671
3672void
3673rxvt_term::scr_swap_overlay () noexcept
3674{
3675 if (!ov.text)
3676 return;
3677
3678 // hide cursor if it is within the overlay area
3679 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3680 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3681 screen.flags &= ~Screen_VisibleCursor;
3682
3683 // swap screen mem with overlay
3684 for (int y = ov.h; y--; )
3685 {
3686 text_t *t1 = ov.text[y];
3687 rend_t *r1 = ov.rend[y];
3688
3689 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3690 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3691
3692 for (int x = ov.w; x--; )
3693 {
3694 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3695 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3696 }
3697 }
3698}
3699
3700#endif
3564/* ------------------------------------------------------------------------- * 3701/* ------------------------------------------------------------------------- */
3565 * DEBUG ROUTINES *
3566 * ------------------------------------------------------------------------- */
3567#if 0
3568void
3569rxvt_debug_colors (void)
3570{
3571 int color;
3572 const char *name[] =
3573 {
3574 "fg", "bg",
3575 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3576 };
3577 3702
3578 fprintf (stderr, "Color ( ");
3579 if (rstyle & RS_RVid)
3580 fprintf (stderr, "rvid ");
3581 if (rstyle & RS_Bold)
3582 fprintf (stderr, "bold ");
3583 if (rstyle & RS_Blink)
3584 fprintf (stderr, "blink ");
3585 if (rstyle & RS_Uline)
3586 fprintf (stderr, "uline ");
3587 fprintf (stderr, "): ");
3588
3589 color = GET_FGCOLOR (rstyle);
3590#ifndef NO_BRIGHTCOLOR
3591 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3592 {
3593 color -= (minBrightCOLOR - minCOLOR);
3594 fprintf (stderr, "bright ");
3595 }
3596#endif
3597 fprintf (stderr, "%s on ", name[color]);
3598
3599 color = GET_BGCOLOR (rstyle);
3600#ifndef NO_BRIGHTCOLOR
3601 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3602 {
3603 color -= (minBrightCOLOR - minCOLOR);
3604 fprintf (stderr, "bright ");
3605 }
3606#endif
3607 fprintf (stderr, "%s\n", name[color]);
3608}
3609#endif

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